10 Best Garden Fertilizers 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing products, scanning reviews, spending more than 36 hours of research and speaking with our test users, we think the Miracle-Gro Shake 'N Feed All Purpose Plant Food is the one of the Best Garden Fertilizer on the market.

Miracle-Gro Shake 'N Feed All Purpose Plant Food – Best Overall Garden Fertilizer

Miracle-Gro Shake 'N Feed All Purpose Plant Food
  • Full of essential nutrients that help feed and nourish above and below the soil
  • Contains vital micronutrients to grow stronger, vibrant and more productive plants versus unfed plants
  • Feeds up to 3 months
  • Will not burn when used as directed
  • For use in ground and in containers
  • Contains natural ingredients that help feed and nourish above and below the soil

Miracle-Gro Water Soluble All Purpose Plant Food

Miracle-Gro Water Soluble All Purpose Plant Food
  • Full of essential nutrients, it instantly feeds to grow bigger, more beautiful plants versus unfed plants
  • Feed every 1 to 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

Dr. Earth Organic 5 Tomato

Dr. Earth Organic 5 Tomato
  • For more nutritious and tasty vegetables
  • Optimum levels of primary plant nutrients
  • Contains no GMOs, chicken manure or sewage sludge
  • Feeds for several months
  • Made with 100% organic and natural ingredients
  • Contains pro-biotic, seven champion strains of beneficial soil microbes plus ecto and endo mycorrhizae
  • 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
  • Eight select strains of ecto and Endo Mycorrhizae contribute to drought tolerance, enhanced nutrient availability and increased plant performance
  • 100-Percent organic formula provides optimum levels of essential plant nutrients; eliminates the need for chemical fertilizers when used as directed

Espoma GT18 Garden Tone – Premium Pick

Espoma GT18 Garden Tone
  • Long lasting natural organics break down for steady, continuous feeding.
  • Contains Bio-tonne microbes
  • Adds organic matter to soil
  • Naturally low in salts so it won’t burn
  • Safe for people pets and environment

Miracle-Gro Garden Feeder with 1-Pound Miracle-Gro All Purpose Plant Food – Best Budget Garden Fertilizer

Miracle-Gro Garden Feeder with 1-Pound Miracle-Gro All Purpose Plant Food
  • Includes 1 lb. of Miracle-Gro Water Soluble All Purpose Plant Food
  • Trigger lock for one-handed feeding
  • Features three spray patterns: shower, jet and flat
  • For all outdoor plants including flowers, vegetables, trees and shrubs
  • Feed every 1-2 weeks for best results

Garden Safe 510992 Fungicide3 Concentrate (HG-10411X) (20 fl oz)

Garden Safe 510992 Fungicide3 Concentrate (HG-10411X) (20 fl oz)
  • FOR ORGANIC GARDENING: Can be used up to day of harvest – OMRI (Organic Materials Review Institute) Listed.
  • INSECTICIDE/FUNGICIDE/MITICIDE: Three garden products in one!
  • CONCENTRATED SPRAY: Mix with water and apply at the rates listed on the product label.
  • FOR USE ON: Roses, flowers, houseplants, ornamental trees and shrubs, fruits and vegetables.
  • MAY BE USED AS A DORMANT SPRAY: Controls overwintering eggs of listed insect types.

Espoma GT4 4-Pound Garden-Tone 3-4-4 Plant Food

Espoma GT4 4-Pound Garden-Tone 3-4-4 Plant Food
  • An all natural and organic plant food enhanced with thousands of living microbes and is approved for organic gardening
  • It is perfect for all vegetables and provides a safe, continuous, and complete balanced feeding
  • Made in United States
  • A complete plant food with all 15 essential nutrients
  • Originally developed for professional gardeners
  • Complex blend of natural organics provide complete and balanced feeding of all 15 nutrients
  • Environmentally safe
  • No sludges, hazardous or toxic ingredients

Osmocote 277160 Smart-Release Plant Food Flower & Vegetable

Osmocote 277160 Smart-Release Plant Food Flower & Vegetable
  • Promotes vigorous top-growth, strong root development
  • A must-have for vegetable gardeners
  • Ideal for perennials
  • Formulated for flavorful vegetables and colorful blooms
  • Feeds up to 4 full months

Miracle-Gro Water Soluble Plant Food Vegetables & Herbs 2 lb

Miracle-Gro Water Soluble Plant Food Vegetables & Herbs 2 lb
  • Miracle-Gro Water Soluble Plant Food Vegetables and Herbs includes natural ingredients
  • Feeds instantly to promote big and beautiful results (vs unfed)
  • Use Miracle-Gro soil plus plant food for even more harvest (vs unfed)
  • Apply with a watering can or Miracle-Gro Garden Feeder
  • Miracle-Gro Water Soluble Plant Food Vegetables and Herbs is great for tomatoes, squash, peppers, cucumber, carrots, basil and other herbs and vegetables
  • Guaranteed not to burn when used as directed

Down to Earth Organic Vegetable Garden Fertilizer 4-4-4

Down to Earth Organic Vegetable Garden Fertilizer 4-4-4
  • Down to Earth Vegetable Garden is a five pound box of all natural fertilizer with 4-4-4 formula
  • 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
  • A versatile mix for backyard gardens and hobby farms
  • Ideal for use throughout the growing season

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