Top 9 Organic Fertilizer for Outdoor Plants – Garden Fertilizers

As an Amazon Associate I earn from qualifying purchases.

1. Miracle-Gro

#ad

Miracle-Gro Performance Organics All Purpose Plant Nutrition Granules, 2.5 lb., All-Purpose Plant Food, Feeds up to 240 sq. ft., All-Purpose Formula for Vegetables, Flowers and Herbs

#ad
Miracle-Gro #ad - Use miracle gro performance organics All Purpose Plant Nutrition Granules to feed your plants, flowers, vegetables, and herbs. The shaker jug makes feeding in-ground and container plants easy. Enjoy miracle Gro results with organic, all natural ingredients. Reapply every 4 to 6 weeks and water regularly for best results. In as little as 7 days you'll start to see results vs unfed plants.
BrandMiracle-Gro #ad
ManufacturerMiracle-Gro #ad
Height9.8 Inches
Length4.13 Inches
Weight3 Pounds
Width7.5 Inches
Part Number3003510
Model3003510

2. Bloom City

#ad

Organic Liquid Seaweed and Kelp Fertilizer Supplement by Bloom City Gallon, 128 oz Concentrated Makes 750 Gallons

#ad
Bloom City #ad - No risk of over application, plants love kelp. Fully organic seaweed and kelp: a seven species blend of Ascophyllum Nodosum, Laminaria Saccharina, Arthrospira Platensis, Palmaria Palmata, Ecklonia Maxima, Chlorella Vulgaris, and Chondrus Crispus.

Clean kelp aids in every stage of growth for root and stem health. Get all the benefits of natural kelp enzymes and hormones without the non-nutritious fibrous pulp that gives other kelps their thick, brackish appearance. Bloom city chooses only the highest quality ingredient sources and manufacturing methods to create the world’s best craft growing nutrient systems. You can see the difference.

Formulated and made in the usa: designed by botanists and plant chemists. For both plants and lawns: add Clean Kelp to all of your houseplants, vegetable garden, and your lawn for healthy green plants. Simple and safe to use for all plants: add to every watering, it’s that easy. Extracted to protect natural enzymes: clean kelp’s unique processing techniques give the cleanest possible kelp extract.
BrandBloom City #ad
ManufacturerBloom City #ad
Part Numberkelp-128

3. Miracle-Gro

#ad

Miracle-Gro Water Soluble All Purpose Plant Food, 10 lb.

#ad
Miracle-Gro #ad - For all flowers, trees, vegetables, shrubs and houseplants. Safe for all plants, guaranteed not to burn when used as directed. Use with the miracle Gro garden feeder or any watering can. Feed every 1 to 2 weeks. Full of essential nutrients, it instantly feeds to grow bigger, more beautiful plants versus unfed plants.
BrandMiracle-Gro #ad
ManufacturerScotts #ad
Height12.5 Inches
Length4.5 Inches
Weight10 Pounds
Width9.5 Inches
Part Number1001193
Model1001193

4. Organic Plant Magic

#ad

1/2 lb, 1 Bag, Plant Magic Premium All Purpose Organic Fertilizer Soluble Plant Food Concentrate for All Indoor & Outdoor Flower Vegetable Herb Fruit Tree Shrub Lawn Garden Container & House Plants

#ad
Organic Plant Magic #ad - Easy & all purpose - it's simple to grow healthy plants and beautiful gardens. Get intense stem, flower, taste and vibrancy like never before. Kid, plant, pollinator & earth friendly - 100% organic and Non-Toxic. Amazing growth, color, leaf, fruit and veggie production, color, & FLAVOR - Empower your plants to express their full genetic potential.

No harmful chemicals or poisons that would endanger you, PET, your family or community - And zero chance you’ll burn your plants. Just add directly to soil and plant roots, or mix with normal watering. Works for everyone, everywhere with every plant! A little goes a long way - 1/2 lb bag makes 32+ gallons or treats up to 1, 000 sf of soil or plants.

Provides benefits of compost and advanced nutrition that builds healthy nutritious living soil and feeds plants continuously on-demand. Biology over chemicals - packed with every essential element, 55+ trace minerals and millions of Beneficial MicroOrganisms your soil and plants really need for optimal performance, nutrient density, and pest & disease protection.
BrandOrganic Plant Magic #ad
ManufacturerOrganic Plant Magic #ad
Height9 Inches
Weight0.5 Pounds
Part NumberICT110

5. Down to Earth

#ad

Down to Earth Organic Vegetable Garden Fertilizer 4-4-4, 5lb

#ad
Down to Earth #ad - A versatile mix for backyard gardens and hobby farms. This veggie fertilizer provides the perfect start for your sprightly spring greens, it gives your summer tomatoes super-powers, and it's fantastic for growing your favorite frangrant herbs. Vegetable garden Fertilizer is full of powerful nutrition to help your plants grow. Ideal for use throughout the growing season. Down to earth vegetable garden is a five pound box of all natural fertilizer with 4-4-4 formula.
BrandDown to Earth #ad
ManufacturerDown to Earth #ad
Height1 Inches
Length1 Inches
Width1 Inches
Part NumberB07DXLD2ZM
Model100532059

6. Joyful Dirt

#ad

Joyful Dirt Premium Concentrated All Purpose Organic Plant Food and Fertilizer. Easy Use Shaker 3 oz

#ad
Joyful Dirt #ad - Organic indoor plant food and garden Fertilizer. Contains mycorrhizae and other nutrients to Help Plants Grow Quicker and Use Less Water. Safe for pets and Kids. Whether reviving Plants or Increasing Foliage. Easy application-just shake Joyful Dirt onto soil and water in or mix directly in watering can. Powerful enough for outdoor plants, but gentle Enough to Not Burn Indoor Plants. Compact and easy to store and use as often as every watering.
BrandJoyful Dirt #ad
ManufacturerIRT Industries #ad
Height4.13 Inches
Length1.75 Inches
Width1.75 Inches
Part NumberJDSHK2

7. Dr. Earth

#ad

Vegetable & Herb Fertilizer Poly Bag, Dr. Earth Organic 5 Tomato

#ad
Dr. Earth #ad - Contains pro-biotic, seven champion strains of beneficial soil microbes plus ecto and endo mycorrhizae. Eight select strains of ecto and Endo Mycorrhizae contribute to drought tolerance, enhanced nutrient availability and increased plant performance.

Made with 100% organic and natural ingredients. More abundant crops; More nutritious and tasty vegetables. 100 percent natural and organic; Exceptional results because nutrients are released quickly; Feeds for several months; Consistent premium quality. Feeds for several months. For more nutritious and tasty vegetables. Optimum levels of primary plant nutrients. 100-percent organic formula provides optimum levels of essential plant nutrients; eliminates the need for chemical fertilizers when used as directed. Contains no gMOs, chicken manure or sewage sludge.
BrandDr. Earth #ad
ManufacturerDr. Earth #ad
Height10 Inches
Length3 Inches
Weight4.1 Pounds
Width8 Inches
Part Number704P
Model704P
WarrantyN

8. Espoma

#ad

Pack of 1, Natural & Organic All-Purpose Fertilizer 4 lb, Espoma Plant-Tone Plant Food

#ad
Espoma #ad - Plant-tone is made with 100% natural & organic ingredients with no fillers or sludges. Feed flowers and vegetables once per month during growing season. Fertilizing with plant-tone, you'll get more blooms and grow larger plants with abundant foliage and vibrant color. Plant-tone provides long lasting, slow-release feeding with exclusive Bio-tone Microbes. Espoma plant-tone plant food is an all-purpose fertilizer, great for feeding all flowers, vegetables, trees and shrubs. Feed trees and shrubs with plant-tone every Spring and late Fall.
BrandEspoma #ad
ManufacturerEspoma #ad
Height5 Inches
Length8 Inches
Weight4 Pounds
Width5 Inches
Part NumberPT4
ModelPT4

9. GS Plant Foods

#ad

Hydrolyzed Fish and Seaweed Blend, Shrubs, Flowers, Seaweed Fertilizer, Lawns, Trees, Seeds & Plants, Organic Fertilizer for Vegetables, Omri Listed Kelp & Fish Fertilizer for Plants 1 Gallon

#ad
GS Plant Foods #ad - This fish fertilizer for vegetables will lead to healthier crop yields and general plant well being. The kelp fertilizer can be applied to any type of plants, flowers, vegetables and seeds without concern for waste or harmful chemicals. Easy to apply for natural great results: apply liquid fish & kelp fertilizer to improve specific growth stages.

We have 100% confidence in the quality of our products and continuously strive to deliver the best customer experience. Our organic liquid fertilizer for seedlings increases microorganisms in the soil and increases mineral uptake. This seedling fertilizer relieves stress in plants caused by extreme weather conditions, and frost. Our seaweed fertilizer improves seed germination, increases bloom set and size of flowers and fruit. For outdoor Plants; Use 2 fl.

Optimal plant growth & health at home or commercially: used in low concentrations, liquid seaweed fertilizer acts as an efficacious growth promoter. Trusted & reliable: at gs plant foods, we understand that you are placing your trust in us to provide you with the highest quality products available. Reduce herbicide use by adding our liquid kelp extract, and yet maintain the same kill effectiveness. Feed every two weeks and do not over water. Apply until soil is saturated or as a foliar feed until leaves are wet, top and bottom.
BrandGS Plant Foods #ad
ManufacturerGS Plant Foods #ad
Height12 Inches
Length8 Inches
Weight9 Pounds
Width5 Inches
Part NumberKFblend1Gal
ModelKFblend1Gal