12 best corn gluten weed controls

Product description

Espoma Organic Weed Preventer . All natural weed preventer and lawn food . Prevents dandelions, crabgrass and other common weeds. Provides long lasting greening that won’t burn.

From the Manufacturer

Made from corn gluten meal, an all natural by-product from the manufacturing of cornstarch, Espoma Organic Weed Preventer feeds lawns to ensure a deep, green color and prevents weeds, including crab grass and dandelions, by inhibiting root development in seedlings. Children and pets can safely play on the lawn after the application. Apply twice per year, early spring and fall. Granulated for easy application, Espoma Organic Weed Preventer provides long lasting nitrogen for a thicker, greener lawn. Derived from: corn gluten meal and contains 8.23% slow release nitrogen. 25 lbs. covers 1,250 sq. ft.

• Espoma Weed Preventer is an all natural weed preventer and lawn food made from pure corn gluten meal
• Weed Preventer prevents dandelions, crabgrass, and other common weeds, and provides long lasting greening that won't burn
• Children and pets can play on lawn immediately after application!
• Application: Apply 2 times per year: Early Spring before weed seeds germinate, and Early Fall
• For use on established lawns only. Do NOT use when seeding a new lawn or over-seeding

User questions & answers

Question:	Do I use this before or after I fertilize my lawn in the Fall
Answer:	I wouldn't necessarily use this in the Fall. September is a nice cool month to do some reseeding, and you can't put this down within 6 weeks of seeding the lawn. I tend to do a March application and a 2nd April application, leaving me a window to seed the lawn in June. Always remember, June and September are the 2 best months to seed your lawn. I also wouldn't put this down in the fall because crabgrass does not tend to germinate in the fall, it germinates in March and April.
Question:	Is this effective against crabgrass
Answer:	I used it for the first time this season. I couldn't see that it did anything although I understand that it should be used for 3 consecutive seasons to see significant results. I wasn't pleased with the size of the pellets (rabbit food size). It took several rain events for the product to dissolve. Maybe this is better but it just wasn't what I expected. In the spring I plan to use a chemical crabgrass preventer. I'm changing over to a zoysia lawn. Zoysia may go dormant and turn brown in the winter but it requires no watering and less mowing in summer. In a few seasons I won't need any fertilizer or weed killer (except for spot treatments).
Question:	Can this be used in the garden as well as the lawn
Answer:	Does this kill the grasses that produce those nasty "Foxtails"? I have animals, vegetable garden, etc. and need a better way to kill these weeds/grasses before they produce the foxtails. Trying to "weed-wacker" them down before they get the foxtails is not always possible for me due to health issues.
Question:	Is this a good product to use on gravel walkways to avoid weed growth
Answer:	Mike McGrath says: Spread even the finest quality corn gluten on established weeds like those walkway ones, however, and you'll simply be feeding them. Mulch,vinegar, flame, hoeing and/or hand pulling are the answer here-and in that large-scale, Master Gardener situation. Yes, you could prevent future weeds by dusting with corn gluten every six weeks, but it would be hugely expensive and you'd be wasting all that great nitrogen fertilizer if there weren't 'wanted' plants growing in that area. (See below.)

Product features

Espoma Organic Weed Preventer

All natural weed preventer and lawn food

• Prevents dandelions, crabgrass and other common weeds.
• Provides long lasting greening that won’t burn.
• Children and pets can play on lawn immediately after application.
• Made from 100% corn gluten meal.

Product description

QT, Ready To Spray, Gluten Maize, Natural Way To Prevent Weeds From Growing, Works On Annual & Perennial Weeds, Grassy & Broadleaf Weeds, Works In Lawns, Around Trees, Shrubs, Ornamentals, Flowers & Even Vegetable Gardens, Great For Spring & Fall Applications, Convenient Liquid Formulation Makes Those Big Messy Containers Of Meal Obsolete, QT Treats 1000 SQFT. Pack may vary

• Bonide 1 qt. Ready to Spray Corn Gluten Weed Preventer
• Model:067
• Pack may vary
• Natural Way To Prevent Weeds From Growing
• Pack of 1

User questions & answers

Question:	Will this harm bees in any way
Answer:	It contains Corn Gluten - so we don't believe so....

• A natural weed killer Made from ocean salt water, commercial strength food grade vinegar and soap.
• Our non selective ready to spray Natural Weed & Grass Killer is not normally used on the lawn.
• No Mixing, No Glyphosate and No Hormone Disrupting Chemicals

User questions & answers

Question:	Can I use on a DG path
Answer:	The only thing I can think of that may be an issue is the on/off toggle that's operated with a thumb. While holding the handle, you would push for on and then pull back for off. It's glides smoothly but is a little tight as a valve should be. But still very easy to push with a thumb. The quick connect coupling that attaches to the hose is very easy to use. It's well balanced in the hand and comfortable to hold for long periods of time.
Question:	What is thw shelf life? This was asked before but i do not see an answer.....debating 1 vs 2.5 gallon buy...thanks
Answer:	Germany. Best watering products ever.
Question:	Will this kill invasive vines and shrubs? Looking for an organic product that can do that and having trouble finding
Answer:	Hi ... so sorry its taken so long to reply ... the wand was stored in a shed .... and we hadn't pulled things out for the season yet ... nevertheless ... the wand is 24 inches, the watering head is 5 inches and the handle is 6 inches. We bought two of the metal wands last season and one of another model and all have performed well ... the metal wand which you are considering seem a bit sturdier. Good Luck with your decision. cliff
Question:	How long until you can plant in the sprayed area? I need to clear weeds before putting in ground cover
Answer:	Yes, this wand has its own quick connect. I have had my wand for a year now. We just removed the wand out of winter storage and other than changing out the washer, the wand looks like it should last for another year.(I hope a few more years!)

Product features

Straight from the ocean to your front door.

Every bottle of our Natural Weed Killer starts at this boat ramp with clean ocean water from the Fort Pierce Inlet on an incoming high tide.

Packed with care Ready for delivery

We take great pride to ensure every shipment arrives to your door safe and sound.

Pet friendly

Pets should be allowed to play in a chemical free environment.

What size is best for you ?

Our quart bottle with sprayer is ideal for smaller courtyards, walkways or gardens

The 1, 2-1/2 and 5 gallon size is ready to pour into your garden pump sprayer or backpack sprayer.

AWARD WINNING

Doctor Kirchner Natural Weed Killer was honored to win Small Environmental Business of the year from our community.

Our True Story - How Doctor Kirchner Natural Weed Killer was born.

Until that diagnosis is handed to you... After a more than a dozen years in the landscape maintenance business I got that diagnosis. Forced to sell my thriving business to get away from the chemicals that caused my illness and not sure what door would open next. A very good friend suggested looking at alternatives to weed control, I did, and what I learned was amazing. Within a year we had a formula, proof of concept and a simple business plan. Word spread quickly that a safe product was available. We work 7 days a week to ensure our customers receive a quality product in a timely manner.

Product description

Corn Gluten Weed Preventer is an all organic corn gluten meal technology that stops weeds before they sprout. This Organic fertilizer greens up your lawn quickly while defending against crabgrass, Dandelions and over 20+ other broadleaf weed.

User questions & answers

Question:	How many pounds is this bag
Answer:	My order's weight is 7.5 pounds. Covers 2,500 square feet.
Question:	Does it work on Japanese Silt Grass
Answer:	I doubt it... didn’t even work with crabgrass
Question:	How much lawn does this product cover? Is it granular? What's the weight of the bag? (And why isn't this info in the description
Answer:	7.5 lbs
Question:	What percent protein is this corn gluten meal
Answer:	I never looked to see how much protein was in the bag I just spread it on my yard

Product description

Stop weeds before they sprout with Green it Corn Gluten Weed Preventer. The ready to spray corn based pre-emergent derived from locally grown corn and manufactured in the USA. It works by releasing organic dipeptides (proteins) into the soil to prevent weed seeds from establishing. Liquid corn gluten is a concentrated patented formula which works on weeds such as dandelions, crabgrass, and clover. To apply simply attach your hose to the included hose-end sprayer attachment, shake well and turn the dial to the "on" position. No mixing or calibration is required, natural weed control has never been this easy and affordable.

• Ready to spray pre-emergent weed control for a variety of broadleaf and grassy weeds such as dandelion, crabgrass and clover
• Works on warm and cool season grasses
• Patented water soluble formula for fast acting protection against new weeds in your lawn and gardens
• Cover more area with less product compared to granular corn gluten based products
• Ideal for use in lawns, flower beds and around trees and shrubs simply follow application timing for most effective prevention of weed growth, generally when Forsythia, Tulips or Magnolia bloom apply immediately Bee and Beneficial Safe

User questions & answers

Question:	Can you spray it without a hose
Answer:	Not this version. It attaches to a hose and use water to distribute it. I suppose you could dilute it with water in a smaller spray bottle, but that doesn't seem like it would be worth the effort.
Question:	i don't see anything about coverage. It comes in a half gallon. How far will that go
Answer:	The bottle says 2000 square feet.
Question:	Is there an odor after application
Answer:	Did not detect any odor. I applied it in Feb. before the weeds began germinating. Had good results.
Question:	Is this non-GMO
Answer:	Do not know. I wanted to find out also. Thanks for asking. Hopefully someone will respond. The packages are not marked GMO free. So I doubt. In fact none of the Corn Gluten packages - liquid or granules - I have used are marked GMO free or non-GMO.

Product description

Weeds can ruin a garden in a variety of ways. Weeds can hog all of the nutrients given out by your compost and soil, causing your plants, fruits and veggies to suffer as a result. Weeds can also crowd out your plants and confine them to a space that will not allow them to grow and flourish. Concern Weed Prevention Plus for Gardens uses the power of Corn Gluten to prevent weeds from sprouting and robbing your plants of valuable nutrients. Stop weeds and dandelions before they start with this natural product! The Concern Weed Prevention Plus harnesses the power of corn gluten meal (100%), creating a powerful weed prevention fertilizer. Up to 90% effective weed control in the first year on dandelions and crabgrass. For use in flower gardens, vegetable gardens and in landscaped areas around trees, shrubs and ornamentals. Concern Weed Prevention Plus is composed of 100% granulated corn gluten meal. Children and pets can play on the lawn immediately after application Since Concern Weed Prevention Plus kills only the root of sprouting seeds, it can be used with confidence around established plants, including transplants, flower beds, shrubs and roses. When your flower or vegetable sprouts have true leaves, it is safe to apply Weed Prevention Plus even up until the day of harvest.

• 5.4 lb. bag
• Up to 90% effective weed control in the first year on dandelions and crabgrass
• Homogenous pellet for uniform nutrient and herbicide distribution
• For use in flower gardens, vegetable gardens and in landscaped areas around trees, shrubs and ornamentals
• Easy-to-use re-sealable bag
• Safe for children and pets
• Nature's pre-emergent weed control and fertilizer

User questions & answers

Question:	Can this be used as a pre-emergent for new sod
Answer:	Yes, and even if it isn't the best per-emergent (vs the chemicals that is) -- it works fairly well especially year over year (gets better the more times you use it). Plus it is a nice fertilizer as well.
Question:	How do I spread it? The bag says by hand or by spreader. Whitch spreader is the best choice
Answer:	I use the Scott's Handy Green but any spreader will work just fine. Just be sure to set your particular brand according to the rate listed on the bag. It's specific for each model.
Question:	Does this use organic corn gluten
Answer:	This product is not organic.
Question:	Can you use it on flower gardens
Answer:	This product can be used in flower beds when the flowers have true leaves. If weeds have emerged, we recommend pulling those weeds before applying.

Product features

Stop Weeds From Growing, Before They Start

The best way to control weeds in your lawn and garden is to prevent them from growing there in the first place. Weed Prevention Plus by Concern is an easy-to-use, effective pre-emergent herbicide, which means it kills weeds before they sprout. By applying to your lawn, garden and flowerbeds at the first signs of spring, you can tackle weeds underground - before they become a problem. Made of 100% corn gluten meal - a by-product of the cornstarch manufacturing process - Weed Prevention Plus is all natural, non-burning, odor-free and won’t harm surrounding lawn, plants or wildlife.

Naturally Promotes Green Up and Leaf Growth

Not only does corn gluten safely prevent young weeds from germinating, but it also promotes green up in established lawns and plants. Corn gluten is naturally high in nitrogen, which is an essential nutrient that makes your lawn greener, faster.

Lawns

Spread Weed Prevention Plus across your entire lawn in early spring to prevent weeds and to promote a fast green up. One 5 lb. bag will cover up to 250 sq. ft.

Fruit/Vegetable Gardens

Use this natural herbicide freely around sprouted edible crops up until the day of harvest. Be sure to wait 6 weeks after application to plant new seeds.

Flowerbeds

Protect your precious flowers and bulbs from weed destruction with a nitrogen-rich formula that simultaneously nourishes established plants.

Walkways and Driveways

Sprinkle in between cracks of walkways, driveways and patios to prevent weeds from sprouting and destroying your foundation.

Apply a Pre-Emergent Herbicide

Weed Prevention Plus is best used at the onset of spring, before weeds begin to grow (when crocuses begin to bloom or when forsythia blooms start to drop), and in late summer. Be sure to apply when the forecast shows no rain for a few days following application. Wait 6 weeks to plant any new grass, flowers, vegetables or ornamentals.

Spray Established Weeds

Because Weed Prevention Plus is so rich in Nitrogen, it won’t kill established weeds - it will only promote their growth. Instead, spray a contact herbicide for organic gardening, like Safer Brand Weed & Grass Killer, directly onto sprouted weeds.

Cover Dead Weeds with Mulch

Prevent re-growth of the weeds you killed by placing mulch on top of the sprayed area.

Product description

Grown by nature, engineered for performance. Rfi liquid corn gluten concentrate is truly a plant based wonder. The ingredients in the product are protein powered nutrients which gives applicators a spray able plant based method to fertilize & thicken lawns to keep out weeds. Corn gluten is a by-product of starch production, a renewable & environmentally conscious resource. Efi liquid corn gluten is treated with a proprietary mix of enzymes & concentrated for the ultimate corn gluten power. Finally, a natural based product designed for personal & professional use with all the benefits of corn gluten meal, in spray able form. Do not apply to newly seeded lawns or gardens as seed germination may be affected.

• Mix Ratio 3 Parts Water To 1 Part Gluten Will Give Approx; Coverage Of 1 Liter To 1000 Square-Feet
• Covers More Area Compared To Granular Or Powdered Corn Gluten
• Processed From American Corn; Made In Usa
• No Assembly Required

User questions & answers

Question:	Does this work on goat head weeds
Answer:	Works on all plant types, you need to apply during the specific plants seed germination period. So knowing when that plants seed germinate in your area, as this is a pre imergant, If you apply at wrong time, since this is also a very powerful fertilizer, your targeted weed will grow really well. My guess is apply product in early spring for best results, and expect 60% effectiness, which BTW is better that chemical pre imergents.
Question:	liter concentrate or 1 liter of the mixed per 1000 square feet ? I know it has to be diluted to use
Answer:	It's before dilution. The container says it covers 10,000 sq ft. The container holds 2.64 gallons, when converted to metric is 10 liters. So 10,000 sq ft divided by 10 liters is 1 liter per 1000 sq ft, undiluted. Seems to me they should state this clearly somewhere, we shouldn't have to do detective work to figure it out.
Question:	Hello, is this product labeled "pre-emergent herbicide" or weed control
Answer:	Pre-emergent , will act as fertilizer on seeds that are up and growing.
Question:	How many ounces , tsp or tbs, per gallon in a hose-end sprayer
Answer:	I use a 20-gallon hose end sprayer, so I just fill the sprayer & it automatically portions out 1 oz/gallon.

Product description

The best way to control weeds in the garden is to prevent them from getting started in the first place. Preen Extended Control garden weed preventer has a specialized formula to keep weed seeds from starting. 1-easy application of Preen Extended Control Garden Weed Preventer keeps 125 broadleaf and grassy weeds from sprouting for up to 6-months. Your garden will stay weed-free all season long. Weeds rob desirable plants of water and other nutrients. Preen garden weed preventer stops weeds and eliminates time-consuming weed pulling chores. With Preen, you will be free to enjoy a beautiful, weed-free landscape.

• 1 application blocks weeds up to 6 months
• when used as directed preen extended control weed preventer can be used around more than 600 perennials, groundcovers, shrubs and trees as listed on the product label
• can be sold as a refill for flip-top applicator bottle
• not intended for use on flower seeds, lawns, vegetable gardens, water gardens or other food-producing or edible plants
• not available for sale in ny
• Power source type: Air Powered

User questions & answers

Question:	Which product can be use on st.augustine grass
Answer:	Preen Extended Control Weed Preventer is for landscape and garden beds only. Check out our Preen website to view our lawn products and read the labels to determine if they are safe with St. Augustine grass. Thank you!
Question:	which is better this or surflan
Answer:	I’ve never used Surflan but Preen helps cut the weeds in half if not more. All summer.
Question:	So I applied this and you can still see the granules. Isn't it supposed to dissolve
Answer:	After the initial rain/watering in of Preen Extended Control Weed Preventer that is to occur after an application of this product, the granules will disintegrate with the weather elements. If concerned about visible granules, you may choose to lightly rake them into the top layer of soil so they are not visible. Thank you!
Question:	Is this safe to use in a vegetable garden
Answer:	Thank you for your inquiry! Preen Extended Control Weed Preventer cannot be used in a vegetable garden or around anything edible. This product can only be used around flowers, plants, trees and shrubs. Preen Garden Weed Preventer can be used around the vegetables listed in the "For Use On Vegetables" section of the label. Preen Natural Weed Preventer can be used around any established vegetable once it is up out of the ground 2-3 inches.

Product features

Remove Existing Weeds

Remove any existing weeds, taking care to remove their roots. Preen Extended Control products for landscape beds do not kill existing weeds.

Mulch the Area

A three-inch layer of mulch helps retain soil moisture, keeps soil temperature even and looks nice and tidy. Mulch also has preventative properties of its own, assisting Preen in keeping weeds away.

Apply Preen

Sprinkle Preen on top of mulch. Apply when the garden is dry so Preen Extended Control granules won’t stick to wet plant leaves.

Water To Activate

After applying the Preen Extended Control product, water the granules to release the ingredient that forms an invisible barrier that blocks weeds beneath the surface.

Prevent Weeds in Your Landscape Beds

This Preen Extended Control product can be used around over 600 established plants including common boxwoods, azaleas, snapdragons, daylilies, ivy, and more (as listed on the product label).

Apply Anytime Weeds are Actively Growing

Preen Extended Control works best when applied in spring after spreading mulch on your landscape beds before weeds start growing. If you forget to apply in early spring - no problem - this product can be applied anytime weeds are growing.

Prevents Weeds* for 6 Months

This Preen product prevents common broadleaf garden weeds such as dandelion, chickweed, purslane, and henbit, as well as grassy weeds like crabgrass, foxtail, and bluegrass for up to 6 months. *See use directions for complete list of treated weeds

Product description

Pearl Valley organic healthy grow gold is a 9-0-0 corn gluten that provides lush green turf throughout the growing season. Greens lawn with no synthetic chemicals. Grows deeper roots and improves water retention and aids in the prevention of some common weeds, like dandelions and crabgrass. Safe for your lawn, pets and your family. Coverage: 2100 square feet.

• Provides lush green turf
• Contains no synthetic chemicals
• Helps grow deeper roots and improves water retention
• Child, pet and earth safe product

User questions & answers

Question:	what kind of spreader & on what setting
Answer:	I set a Scotts Speedygreen 2000 on 9. I saw a pretty fair improvement in lawn health last year.
Question:	Will this work in flowerbeds to prevent weed germination? Looking for an organic alternative to Preen
Answer:	It's not a weed killer. In my experience, it makes the grass grow faster and thicker and thus the weeds are squeezed out and don't get a good foothold. But in flower beds, you're not growing grass.
Question:	Will this help get rid of clover
Answer:	As far as my experience goes with corn gluten in general it will not affect clover. It's only effective against germination of dandelion seeds and only in the common ones found in the Midwest. Not the different types found in the Northwest.
Question:	How many square feet does it cover
Answer:	if I rember correctly -it would have been enough to do my whole yard(average subdivision lot) ...go to dirt doctor.com and search this on howard's site..

Product description

Garden Weed Preventer plus Plant Food prevents weeds and feeds plants in one easy step. Balanced fertilizer promotes abundant blooms, increased yields and strong root development. Safe for use around over 200 established flowers, vegetables, trees and shrubs. One application fertilizes your plants and prevents weeds for up to three months.

• Use anytime during the spring, summer, or fall in flower and ornamental garden beds, around ground covers, trees, and shrubs
• It prevents weeds and feeds plants in one easy step
• Balanced fertilizer promotes abundant blooms, increased yields and strong root development
• Safe for use around over 200 established flowers, vegetables, trees and shrubs
• One application feeds your plants and prevents weeds for up to three months
• Applicator scoop included
• Covers 2560 sq. ft
• Not for sale in CA

User questions & answers

Question:	Is it safe with Euonymus and Myrtle
Answer:	Thank you for your inquiry! Preen Garden Weed Preventer Plus Plant food can be used around myrtle that is well established (meaning it has filled in everywhere that you want it to). Euonymus is not listed on the label threfore we cannot recommend applying this product around it.
Question:	I'm not seeing a definitive answer does this kill vegetables
Answer:	Hello! Preen Garden Weed Preventer plus Plant Food can safely be used with vegetables that are listed on the label. You will find that on the "For Use On Vegetables" sections. Thank you!
Question:	What chemicals are in Preen
Answer:	We would suggest contacting the manufacturer directly to verify.
Question:	Does this ever expire
Answer:	I've used my bag so can't tell about the expiration date but I will say I have kept products of this sort for a couple of years and they have still been effective as long as they haven't gotten moisture in them.

Product features

Remove Existing Weeds

Remove any existing weeds, taking care to remove their roots. Preen garden products do not kill existing weeds, they prevent them.

Mulch the Area

A three-inch layer of mulch helps retain soil moisture, keeps soil temperature even and looks nice and tidy. Mulch also has preventative properties of its own, assisting Preen in keeping weeds away.

Apply Preen

Sprinkle Preen on top of mulch. Apply when the garden is dry so Preen granules won’t stick to wet plant leaves.

Water to Activate

After applying Preen, water the granules to release ingredient that forms an invisible barrier that blocks weeds beneath the surface.

Prevent Weeds Around Flowers, Vegetables, Trees & Shrubs

This Preen product contains an all-purpose fertilizer to promote beautiful color, blooms, foliage, and strong root growth while helping to resist disease. It can be used around over 200 established flowers, vegetables, trees and shrubs as listed on the product label (see special section for use on vegetables).

Apply Anytime Weeds Are Growing

Preen works best when applied in spring after spreading mulch on your flower and shrub beds before weeds start growing. If you forget to apply in early spring - no problem - this product can be applied anytime weeds are growing.

Prevents Weeds* up to 3 Months

This Preen product blocks common broadleaf garden weeds such as chickweed, knotweed, purslane, and thistle, as well as grassy garden weeds like crabgrass, foxtail, and bluegrass for up to 3 months. *See use directions for complete list of treated weeds

Product description

Barricade DG Pro is one of the best and most cost effective granular weed preventer herbicides on the market. It is labeled to help prevent over 30 grass and broadleaf weeds in established turfgrasses, lawns, landscapes, and ornamental beds. It contains .48% of the active ingredient Prodiamine. Please refer to product label for complete application rates and timings. The product must also receive rainfall or irrigation in order for the herbicide prevention zone to become active.

• Apply this product only in EARLY SPRING and FALL
• Barricade professional-grade pre-emergent weed control is designed to prevent weeds, and will not aid in eliminating existing weeds.
• Contains 0.48% of the active ingredient prodiamine - Labeled to prevent over 30 grass and broadleaf weeds
• Trusted by top turf care professionals to prevent problem weeds without harming desirable plants
• DG Pro formulation allows for more particles per square inch of chemical - leads to better control of weeds

User questions & answers

Question:	Just reseeded by Bermuda lawn last week. Is this ok to use or should I wait
Answer:	I would wait. Barricade prevent any seed to germinate.
Question:	Has anyone used this in the fall to prevent crabgrass the next spring? I've seen it recommended that way for other weeds but not for crabgrass
Answer:	From what I understand, you need to reapply as per directions, due to Crabgrass germination process from early spring to mid to late summer, depending on weather conditions. This product is a "pre"emergent,so to be effective, apply to kill weed seeds before they can germinate.
Question:	Can I use it if I have dogs in my backyard? Thinking about only using in my front yard away from my pets
Answer:	I believe the package said not harmful for pets
Question:	what is the Nitrogen value in this product? not seeing it on the label
Answer:	This has zero Nitrogen. This is a granular pesticide product. It does not contain any NPK.

Product features

Prevent Weeds All Season Long

Barricade is The Andersons professional-grade pre-emergent weed control. Containing 0.48% of the active ingredient prodiamine, Barricade is one of the best and most cost-effective granular weed preventers on the market. It can be used on established lawns and landscape beds to prevent over 30 grass and broadleaf weeds like crabgrass, goosegrass, foxtail, lambsquarter, henbit and more.

Barricade features The Andersons patented Dispersible Granular (DG) Technology which allows each granule to disperse into thousands of micro particles after coming into contact with water. Because of DG Technology, Barricade can move past the thatch layer of your lawn and into the soil where it prevents the germination of weed seeds.

When To Apply Barricade - Spring and Fall

Barricade is a pre-emergent weed control, which means that is designed to prevent weeds. Application timing is critical to the product's performance.

To prevent summer annual weeds in both northern and southern turf types, apply Barricade in early spring prior to soil temperatures reaching 55 degrees Fahrenheit at a four inch depth. Applying at this time will prevent weed seeds from germinating.

In southern zones, Barricade can be reapplied in the fall to prevent annual winter weeds like poa annua, also known as bluegrass.

Remember, Barricade must receive irrigation or light rainfall of at least .05 inches for the herbicide prevention to activate.

Barricade and Seeding

In the same way that Barricade prevents the germination of weeds, it can also inhibit the germination of turf.

If you already seeded wait 60 days or until after the second mowing, whichever is longer, before you apply Barricade.

How long you should wait to seed or overseed after applying Barricade depends on your climate. Refer to the table below for recommended intervals.

Product description

Enjoy a weed-free vegetable garden without all the work. Preen Natural Vegetable Garden Weed Preventer is the natural way to keep weeds from sprouting! Use the natural weed control in your fruit, vegetable, herb, and landscape beds anytime during the growing season to save time from back-breaking weeding. Preen Natural Vegetable Garden Weed Preventer is formulated to control some of toughest weeds, like clover, bluegrass, crabgrass, foxtail, lambs quarters and plantain. Just sprinkle around established vegetables, herbs, and fruits once a month to prevent weeds from returning to your garden. Children and pets can play in the area immediately after application.

• natural solution for weed prevention
• apply every 4-6 weeks
• prevents crabgrass, dandelions, clover and other common weeds
• sprinkle around established vegetables, herbs and fruit
• can be sold as a refill for flip-top applicator bottle
• Power source type: Air Powered

User questions & answers

Question:	is it suitable for iris? (iris have very shallow roots
Answer:	Thank you for your inquiry! Preen Garden Weed Preventer can safely be applied as label directed around up and growing established Iris plants that are from bulbs only (not rhizomes, etc.)
Question:	How long do I need to wait to plant
Answer:	Thank you for your inquiry! There is no waiting time required. Please be advised that during the 2 - 3 months the product is active in the soil, you do not want Preen granules to contact the roots of those plants as you place them in the transplant holes. We suggest you scrape the top layer of soil away from the area and dig the hole. Set the plant into the hole and backfill with untreated soil or a bagged garden soil. You may then distribute the treated soil you moved aside back around the plant . If Preen granules come in direct contact with plant roots, it can stunt the root development.
Question:	Should i spread this at.the end of the season for spring planting or wait till.spring
Answer:	If you are planting seeds wait until they sprout. This and other forms of Preen prevent seeds from coming up. If you plant seedlings or plants I would spread now and after planting in Spring.
Question:	Which is better, spread product and then plant or plant first then spread Preen
Answer:	My only experience is with bushes- I spread then plant. I don’t know about smaller plants like flowers- I don’t know how preen effects sprouting. I love this all natural corn gluten preen- it’s safe for my pets and the small wildlife in my yard.

Product features

Prevent Weeds Around Vegetables, Herbs, and Fruits

This Preen product is the natural way to prevent weeds from sprouting. Apply it anytime during the growing season around established vegetables, herbs, and fruits.

Apply During Growing Season

Since this product does not kill existing weeds, you must first remove any that have already begun to grow. By applying this product as early as possible, you can eliminate the need for hand weeding.

Prevents Weeds for 4 to 6 Weeks

This Preen product must be applied every 4-6 weeks for continuous control of common weeds such as clover, bluegrass, crabgrass, foxtail, lambsquarters and plantain. Children and pets can play in the area immediately after application.