8 best organic indoor plant fertilizer

Organic indoor plant fertilizer is a type of plant nutrient specifically designed for use with indoor houseplants. It falls under the category of gardening and lawn care products and is essential for promoting healthy growth and vibrant foliage in potted plants kept indoors. Here are some key points about organic indoor plant fertilizer:

  1. Organic Composition: Organic indoor plant fertilizers are derived from natural sources, such as compost, animal manure, bone meal, kelp, and other organic materials. These products are prized for their environmentally friendly and sustainable nature.

  2. Nutrient Content: Organic indoor plant fertilizers typically contain essential nutrients that plants need for growth, such as nitrogen (N), phosphorus (P), and potassium (K). These nutrients are often balanced to support overall plant health.

  3. Slow-Release Formulas: Many organic indoor plant fertilizers are formulated as slow-release granules or pellets. This means that nutrients are released gradually over time, providing a consistent and long-lasting source of nourishment for the plants.

  4. Microbial Activity: Organic fertilizers can enhance soil health by promoting beneficial microbial activity. These microorganisms break down organic matter in the soil, making nutrients more readily available to the plants.

  5. Reduced Risk of Overfertilization: Organic fertilizers are generally less likely to cause nutrient imbalances or overfertilization compared to synthetic chemical fertilizers. This makes them a popular choice for beginner gardeners.

  6. Environmental Benefits: Using organic indoor plant fertilizer is environmentally responsible because it reduces the risk of nutrient runoff and pollution of water sources. Organic farming practices also promote soil sustainability.

  7. Application: To use organic indoor plant fertilizer, you typically mix it into the potting soil before planting or apply it as a top dressing to the soil surface. Follow the manufacturer's instructions for specific guidelines on application rates and frequency.

  8. Variety of Choices: There are various types of organic indoor plant fertilizers available, including liquid concentrates, granular formulas, and water-soluble powders.The choice depends on your preference and the specific needs of your plants.

  9. Organic Certification: Some organic indoor plant fertilizers may carry organic certification labels, indicating that they meet specific organic farming standards. These products are typically free from synthetic chemicals and genetically modified ingredients.

  10. Complementing Care: Alongside fertilizer, it's essential to provide proper care for indoor plants, including appropriate watering, adequate light, and proper humidity levels, to ensure their overall well-being.

When selecting an organic indoor plant fertilizer, consider the specific requirements of your houseplants and their growth stage. Each plant may have slightly different nutrient needs, so it's important to choose a fertilizer that suits their individual requirements. Additionally, monitoring your plants for signs of nutrient deficiency or excess can help you adjust your fertilization regimen as needed to maintain their health and vitality.

Below you can find our editor's choice of the best organic indoor plant fertilizer on the market
  

Espoma Indoor! Liquid Plant Food, Natural & Organic Houseplant Food, 8 fl oz, Pack of 1

Espoma

Based on 896 reviews Check latest price

Product description

Espoma organic indoor plant food is specially formulated with organic ingredients, all major plant nutrients & millions of beneficial microbes delivering optimum plant health & top performance results. Conveniently ideal for all houseplants. Available in an 8oz size.

  • Indoor! Liquid Plant Food promotes growth and greening in all houseplants. Beneficial microbes ensure superior results
  • Espoma Indoor! is approved for organic gardening
  • Simply mix with water to feed instantly. No measuring, no messes!
  • With lid closed turn the bottle upside down. Now turn bottle uprightFlip the lid open, add two to three pre-measured doses to your watering can and then add 1 gallon of water. Shake well prior to mixing
  • Feed your houseplants with Indoor! Plant Food every 2-4 weeks

User questions & answers

Question: have bird of paradise , zz plant, pothos, snake plant, fig plant and orchids. Is it good to use this product for them ? Is this fish emulsion
Answer: Different percentages of nitrogen, phosphorus, potassium. (NPK.)Different types of plants need different amounts of each ingredient. This HOUSEPLANT version has a 3-1-2 ratio. (Note: potash is a form of potassium.)
Question: Can you use this on vegetables
Answer: I’m not certain it will help hair growth but it will help hair thinning because the serum has helped my hair from shedding so much hair. It’s it’s so silky smooth.
Question: I have some plants growing in cups of water, how would I mix this for them? Thanks
Answer: I’m not a hair dresser, but I use it after I get out of the shower. I tend to start from the middle and go down. I think it works pretty well...but again...I’m not a hair dresser.
Question: What is the NPK value of this fertilizer
Answer: No, and you only need about a dime size to apply to your hair or it will be greasy.

Espoma Company INPF8 Organic Indoor Plant Food, 8 oz Pack of 2

Espoma

Based on 87 reviews Check latest price

Product description

Promotes growth & greening. For Indoor plants. Easy-dose no measure concentrate. 8 oz - 2pk. Total 16oz

User questions & answers

Question: Which fertilizer would be best for African violets
Answer: You can use this fertilizer for African violets. It’s general houseplant food. I use it to feed my succulents and cactus. They love it! Of course you can use food for African violets only.

EarthPods Premium Indoor Plant Food – Easy Organic Fertilizer Spikes – 100 Count – All Purpose (Great for Indoor Houseplants + Outdoor Container Flower Gardens, Ecofriendly)

Based on 1 reviews Check latest price
  • CONCENTRATED PREMIUM ALL PURPOSE ORGANIC PLANT FOOD — Supports robust root growth, strong stem development, enhances leaf color vibrancy, creates rich loamy soil over time for all your indoor & outdoor plants
  • NO MESSY LIQUIDS / NO CONFUSING MEASURING SPOONS / NO STINKY SMELL — 1 tube = 100 EarthPods pre-measured plant fertilizer capsules (a 5-year supply for a single special houseplant or use on big collection of indoor house plants)
  • SO FAST & EASY TO APPLY — Push 1 EarthPod all the way into the root zone near the center of your plant, then just water! (EarthPods will break down & slowly release nutrients direct to roots where it counts)
  • PROPRIETARY FORMULA FOR SUPERIOR RESULTS — Slow release fertilizer robust with a large variety of organic plant nutrients, trace minerals, soil life & humates, all in a form immediately available for plant uptake
  • ECO FRIENDLY & COMPACT — Tube stores easily on your kitchen shelf + recycle the empty paperboard packaging printed with soy inks when done (EarthPods are pet, child, eco-friendly, vegan + 100% sustainably made in the USA)

User questions & answers

Question: How often do you use these
Answer: Use 1/2 of a McDonald’s large drinking cup. 1/2 cup. Works great
Question: What are the npk ratios of this product and what otratios of other elements? i have very small potted plants and need specifics
Answer: I don't know for sure. All I do know is I put it on all my plants and they love it. It is basically liquid cow manure. No fish involved.
Question: Can i use this for luck bamboo plant? if i can how should i use this
Answer: I don't see why not. It is an organic fertilizer so I would personally prefer to use something like this on veggies.
Question: Has anyone used this product on indoor African violets
Answer: I mix the recommended dose (1 cap per quart) and just use that as 1/5 of the water I have my plants in. Seems to be going ok. I have cuttings of pothos and lucky bamboo growing like this.

Product features

SO EASY TO USE

Top-quality concentrated plant food with bonus patent design to ease plant feeding use by elderly / physically-challenged & involve children in prime organic gardening activities

PREMIUM BIO FORMULA

Replicates forest earth composition robust with natural plant nutrients, minerals, soil life & humates

  • VEGAN | NO UREA

MADE IN THE USA

100% proudly produced in the U.S.A. :-)

ECO-SUSTAINABLY MADE

Our plant food ingredients come from all-natural sustainable resources + our packaging is made from recycled paperboard & printed with soy inks

Miracle-Gro Water Soluble All Purpose Plant Food, 8 Oz.

Miracle-Gro

Based on 38 reviews Check latest price

Product description

Full of essential nutrients, Miracle-Gro Water Soluble All Purpose Plant Food instantly feeds vegetables, trees, shrubs, and houseplants to grow bigger and more beautiful than unfed plants. Simply feed them every 1-2 weeks. The formula is safe for all plants, and is guaranteed not to burn when used as directed. Get beautiful results with Miracle-Gro.

  • Full of essential nutrients, it instantly feeds to grow bigger, more beautiful plants versus unfed plants
  • Feed every 1-2 weeks
  • Use with the Miracle Gro garden feeder or any watering can
  • For all flowers, vegetables, trees, shrubs and houseplants
  • Safe for all plants, guaranteed not to burn when used as directed

User questions & answers

Question: What are the ingredients
Answer: Lakshika had the NPK ratios correct, except she moved the decimal point on the phosphorus percentage.Nitrogen 24%Phosphate 8%Potash 16%If you want to know the ingredients and their rough percentages in the mix, check out the Material Safety Data Sheet at the link below:http://www.domyownpestcontrol.com/msds/MIRACLE_GRO_ALL_PURPOSE_PLANT_FOOD.pdfLot of Urea in this mix. I am not sure that I like the large amount of Potassium chloride in the blend. There are plenty of sources of Potassium that don't have chlorine as a component. Potassium chloride must be the cheapest source available.
Question: What is the n-p-k for this product? i'm surprised it's not mentioned in the product description. thank you
Answer: I got one at a local store and it is 18-18-21 for this product-Tomato plant food
Question: can i use this for a Money tree plant
Answer: You sure can. My money trees were only producing dollar bills. Then I began a regular feeding schedule and the trees grew 50's and 100 dollar bills. I am thrilled. One of my money trees even produced a few 1000 dollar bills. As you can imagine, I was pleased.
Question: What is the chemical composition
Answer: the composition of the Bloom Booster product is 15-30-15 a nice mix from growing flowers and plants,veggies, and can be mixed with water to easily apply to soil. I found more info at their site, miraclegro dot com They worked for me for years.

Product features

Your plants are hungry. Feed them with Miracle-Gro plant food.

For big, beautiful Miracle-Gro results, plants need water, sunlight and nutrition to flourish throughout the season.

Miracle-Gro Water Soluble All Purpose Plant Food is safe for all plants, guaranteed not to burn when used as directed, and starts to work instantly.

Use on all flowers, all vegetables, houseplants, roses and all trees and shrubs. For best results, feed every 7-14 days when plants are actively growing.

Fill Jar

Fill feeder jar with one of the Miracle-Gro water soluble plant foods.

Attach Hose

Attach feeder to garden hose and turn on water.

Set Sprayer

Choose your desired spray pattern by turning the yellow spray head.

Feed and Water

Squeeze trigger and begin spraying, soaking the base of the plants. Remember to always follow the label instructions.

Add To Watering Can

For Outdoor Plants: Mix 1 tablespoon of Miracle-Gro for every gallon of water.

For Indoor Plants: Mix 1/2 teaspoon (not tablespoon) per gallon of water.

Fill With Water

Fill your watering can to mix the plant food.

Feed While Watering

For best results, soak the base of the plants. Refer to the label instructions for coverage area information.

Indoor Plant Food | All-purpose House Plant Fertilizer | Liquid Common Houseplant Fertilizers for Potted Planting Soil | by Aquatic Arts

Based on 2 reviews Check latest price

Product description

Live plants are natural room decorations for an office, bathroom, any room in an apartment or home; just place on a plant stand, hanger, plant holder, in a terrarium, a mid century vase, or macrame plant hangers. Aquatic Arts 8 oz bottle of long lasting NPK liquid nutrients formula works quicker than fertilizer spikes and other plant foods — our miracle 3-1-2 concentrate can boost your small plants to grow tall and large. Directions: Plant care is easy! Just include 1 teaspoon into 2 cups of water during your normal watering routine. The 1 teaspoon portion may be mixed either into a water pitcher to pour directly into a feeder, planted container or a spray bottle. If using a sprayer, do not spray directly onto leaves for best results. One bottle includes enough nitrogen for coloring bright new leaves, phosphorus to protect from root rot and enhance root growth, and potassium for flowering for up to 1 year. All plants require varied amounts of light and moisture, so be sure to research your specific indoor plant when incorporating our fertilizer into your plant care regimen. Cactus decor or cacti prefer warm temperatures and dry containers — be sure to keep those plants in areas with reasonably high amounts of light, too. Many plants may require a UV or LED bulb if kept indoors, while some may only require high levels of sunlight from a window. Other plant varieties, such as a tropical plant or tree, enjoy being displayed on a patio during warmer months, but be sure to keep them inside during the winter. If you decide to bring your outdoor plants inside, be aware of aphid or other pests in your plant containers.

  • FEED HOUSE PLANTS: liquid fertilizer promotes healthy growth and stops wilt better than granules or pellets. Our 3-1-2 Miracle ratio makes living indoor plants thrive in pots, holders, and hangers.
  • GROW REAL HOME DECOR: 1 teaspoon for every 2 cups of water includes nitrogen, phosphorus and other vitamins to boost root and bloom growth — easy plant pot growing for up to 1 year.
  • Poinsettia, Pothos, Spider Plant, ZZ Plant, Aglaonema, Dioon, Fittonia, Jade Plant, Hoya Plant, Plumeria Plants, Yucca Plant, Hostas, Heuchera Plants, Dracaena Plant, Azalea, Orchid, Snake Plant
  • Peace Lily, Begonia, African Violet, Aloe Vera Plant, Weeping Fig, Calla Lillies, Prayer Plant, Philodendron Plant, Dieffenbachia, Croton Plant, Christmas Cactus, Air Plants, Indoor Cactus, Mums
  • Rubber Plant, Anthurium, Areca Palm, Lady Palm, Cyclamen, Peacock Plant, Dendrobium, Deacaena, Kalanchoe, Syngonium, Oakleaf Ivy, Aspargus Fern, Bamboo Palm, Boston Fern, Gerbera Daisy, Kimberley

User questions & answers

Question: Can this be used on Norfolk pine tree
Answer: This is for indoor plants only. Not outdoor trees.
Question: Can this be used for a money tree
Answer: i have and my money tree is flourishing and has been the least fuzzy plant i have. my other ones are dram queens lol
Question: Does this smell bad
Answer: i did not notice any odor
Question: Can this be used for starting seeds
Answer: I would not use it for that.

Product features

Vibrant Leaves

Nitrogen promotes bright green leaves. Many houseplants are known for their stunning foliage, make your plants happy with leaves that shine.

Sturdy Roots

Phosphorus stimulates healthy root growth and helps heal root rot. Root rot can be caused by over-watering or a lack of air flow around plant roots; proper fertilization can help repair previous damage.

Strong Stems

Potassium helps make plants grow fast. Potted plants need additional nutrients in addition to sunlight and water to promote healthy growth.

Colorful Blooms

Feed flowering plants to help them bloom more often, and with longer lasting color.

Indoor Plant Food, All-Purpose Organic Fertilizer in a Convenient Shaker, NutriDense (5oz) by Humane [NPK 6-4-3]

Based on 146 reviews Check latest price
  • SAFE FOR INDOOR AND OUTDOOR USE - We designed this organic indoor plant food with your household in mind. This plant fertilizer is 100% safe for people and pets because it is 100% chemical free. Rest assured your plant, family, and entire household are in good hands when caring for your plants.
  • EFFECTIVE - This plant food is packed with balanced primary, secondary, and micro nutrition to help your plants lead a strong, healthy, and productive life. We use a N-P-K (Nitrogen, Phosphorus, Potassium) rating of 6-4-3. N-P-K numbers reflect each nutrient's percentage by weight. Plants need larger quantities of nitrogen, phosphorus and potassium than any other plant nutrients. Often called primary macronutrients, these three are among the 17 nutrients essential to all plant life.
  • EASY TO USE - Simply shake NutriDense onto the soil around houseplants, then water. Because we don't use any chemicals, you cannot burn your plants due to over-fertilization. The recommended usage is about 1-2 teaspoons per plant. These nutrients will remain available in the soil for your plant to uptake as needed for it to stay healthy and lively.
  • MADE IN USA - All ingredients, formulas, and packaging are done right here in the USA.
  • NO RISK & NO HASSLE - We've been making plants happy (and their people) for years and standby our product. If you are unhappy for any reason, contact us and we'll take care of you by either replacing the product or providing a full refund. Our goal is happy plants and happy customers.

User questions & answers

Question: This is safe for a tank with reptiles right
Answer: .01% .3% .7% low N seems key to this product, using it for Royal Blue Morning Glories. Started using it late in season but lotta blooms now. However don't have real control plant to compare...next yr!
Question: Would this work for both succulents and plants like Snake, Wandering Jews and zz plants
Answer: As a sole fertilizer for C. sativa in flowering phase in soil, use 1/2 cup per gallon every watering in flower after the stretch. You still need to use veg nutes the first couple weeks of flower. You do not need to flush with Big Bloom, allowing you to maximize growing time; you aren't starving your plants the last couple weeks!
Question: Can this product be used for cacti, specifically a Kolonchoe plant
Answer: Start using from the third or fourth week of flower (depending on length of flowering period for the strain). If in soil as sole bloom fertilizer, use 1/2 c per gal everytime you water. No need to flush before harvest. You still need high nitrogen in the first 2-3 weeks of flower as the plant stretches.
Question: Does this contain calcium and magnesium
Answer: There is a huge difference. While the FoxFarm product is organic and made from earthwork castings and bat guano, Miracle Gro is a "salt" nutrient, meaning the elements in it are synthesized in industrial labs as opposed to just being worm and bat waste. Salt nutrients certainly have their place (they work wonderfully in hydroponics), but if you're growing in a soil-based system, it is safer for the plants to use organic fertilizers such as Big Bloom.

Product features

Humane - NutriDense

We crafted our Humane NutriDense to be the ultra-nutrient-dense organic plant food that we wanted for our own homes. So, it contains a balance of nutrition that makes it a great single solution fertilizer for all varieties of indoor plants. We use it on our kitchen herb gardens, succulents in the home office, fiddle leaf fig trees, you name it.

NutriDense is a powder so it penetrates the soil quickly when you need to revive a plant ASAP. It contains short and long term release nutrients, to help plants immediately and weeks in the future.

NutriDense is fragranced so that it's a pleasant experience inside your home and office space. It also specifically made to be safe for people & pets, that's true love.

Organic + Natural

Everything we put into our products is organic & natural and was created by Mother Nature to help her plants grow.

People & Pet Safe

Our Products are considered people & Pet Safe because we do not use ingredients such as biosolids, composted household waste, or synthetic chemicals. We will only use natural products that Mother Nature has provided.

Family Farm Owned & Operated

Humane was founded by 4th generation farmers. The desire was to bring their knowledge of growing + nutrients to the world.

Made in USA

We proudly produce all of our products here in the USA.

Fiddle Leaf Fig + Other Indoor Trees
Snake Plants + Other Leaf Plants
Ferns
Succulents + Cacti
Directions

Simply shake a generous amount (1-2 Tablespoons) onto the soil around any plant, then water.

Don't worry, it's organic and won't burn or scorch your plants, so you can apply generously each month or as desired.

Our Products

We believe what you put on in and around your body matters. We use as few ingredients as necessary to craft the most helpful product, so each ingredient has a specific role in making NutriDense the best organic indoor plant food you can find.

Humus is highly decomposed organic matter, that is rich in plant nutrients like Phosphorus, Potassium, Calcium, Sulfur, Magnesium, Zinc, and Iron. Organic blood meal is an extremely common ingredient that contributes an important nutrient, Nitrogen, to NutriDense. Organic Cinnamon helps to resist bugs, pests, disease, and fungi. Organic cinnamon essential oil helps NutriDense fertilize your plants without an unpleasant odor. This was truly crafted to be the best organic indoor plant food.

Joyful Dirt Premium Concentrated All Purpose Organic Plant Food and Fertilizer. Easy Use Shaker (2 oz)

Based on 2 reviews Check latest price
  • ORGANIC Indoor Plant Food and Garden Fertilizer. Compact and easy to store and use as often as every watering.
  • EASY Application-Just shake Joyful Dirt onto soil and water in or mix directly in watering can
  • SAFE for Pets and Kids.
  • POWERFUL Enough for Outdoor Plants, But Gentle Enough to Not Burn Indoor Plants. Whether Reviving Plants or Increasing Foliage
  • CONTAINS Mycorrhizae and Other Nutrients to Help Plants Grow Quicker and Use Less Water

User questions & answers

Question: Is this good for indoor terrarium plants
Answer: Joyful Dirt works wonders on all indoor plants. Every plant I’ve used it on is healthier and requires less water. I’m a huge fan!
Question: Why after a week does the "joyful dirt" water smell awful!? Its making my animals flip out! And making me vomit
Answer: I must agree. It does smell very bad .. like rotten eggs (sulfur) mixed with trash. But. If it helps my plants grow, then so be it. It could be worse like some poop from animals.
Question: Is it safe for food plants (herbs
Answer: I’ve used them on my herb and chili plants in addition to my house plants. Works wonders!
Question: Is it good for bamboo outside in ground
Answer: I believe it would make any plant stronger including bamboo.

Product features

Organic Plant Fertilizer

Organically designed for all your houseplants, flower gardens, vegetable gardens, herb gardens and lawns.

Mycorrhizae Nutrients

Allows plants to absorb nutrients and water from the soil at a rate over 100 times normal uptake.

Increase Plant Vigor

Over time, soils quality diminishes. Micro nutrients in Joyful Dirt help increase the vigor of your plants.

Made in Portland, Oregon

Proudly founded, operated and crafted in beautiful Portland, Oregon.

Method One: Direct Application

Apply a small amount (1/8 teaspoon for the average plant) to the surface of the soil. Next, water over the area of application.

Method Two: Mix With Water

Mix one tablespoon to ½ gallon of water and stir for 30 seconds. Water as normal, up to 10 plants.

Compact, Easy, & Safe

Use once a month or as often as every watering for unhealthy plants. Joyful Dirt is safe for kids and pets.

Organic Premium Concentrated House Plant Food and Fertilizer. Easy Use Shaker (3 oz)

Based on 50 reviews Check latest price
  • ORGANIC, ALL NATURAL Indoor Plant Food with Mycorrhizae
  • EASY Application-Just Shake Joyful Dirt Onto Soil and Water in or Mix Directly in Watering Can
  • SAFE for Use Around Children and Pets
  • GROW LARGER and More Vigorous Plants with Less Water
  • CONTAINS Mycorrhizae and Other Micro Nutrients to Give Your Houseplants more Joy

User questions & answers

Question: is this good for succulents
Answer: I do not think so. But I’d call company for that info.
Question: Can this product be used for orchids
Answer: I suppose you could. It is very light without greasy feeling.
Question: How is this different from the original Joyful Dirt
Answer: Is it clear.
Question: What’s the difference between the original and houseplant versions ? I love the original for my houseplants so I’m curious
Answer: It is a very lightweight oil serum and won't work for deep hydration. I have natural 3C hair that I frequently wear straight (heat straightening) and I use this product on my scalp and ends between washes. It is great for shine and a bit of nutrition but not as nourishing as raw coconut oil, for example.

Product features

Organic Plant Fertilizer

Organically designed for all your houseplants, flower gardens, vegetable gardens, herb gardens and lawns.

Mycorrhizae Nutrients

Allows plants to absorb nutrients and water from the soil at a rate over 100 times normal uptake.

Increase Plant Vigor

Over time, soils quality diminishes. Micro nutrients in Joyful Dirt help increase the vigor of your plants.

Made in Portland, Oregon

Proudly founded, operated and crafted in beautiful Portland, Oregon.

Method One: Direct Application

Apply a small amount (1/8 teaspoon for the average plant) to the surface of the soil. Next, water over the area of application.

Method Two: Mix With Water

Mix one tablespoon to ½ gallon of water and stir for 30 seconds. Water as normal, up to 10 plants.

Compact, Easy, & Safe

Use once a month or as often as every watering for unhealthy plants. Joyful Dirt is safe for kids and pets.

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