Agiseek home

Organic Soil Amendments And Fertilizers

Become a Partner
PH Soil Tester
Prices start at : 12.95 USD

This easy pH Soil Tester takes the guesswork out of knowing the pH of your gardens for best plant performance. Plants need the right pH levels to absorb nutrients no matter how much you fertilize.
  •  Kit contains 10 test capsules
  •  Distilled water is recommended for testing
  •  Includes pH preference list for over 450 plants
Vermont
Burlington
Container Booster Mix, 6 Qts.
Prices start at : 9.95 USD

Just 4 to 8 tablespoons recharges a quart of soil. Made in Vermont. Our organic Booster Mix replaces the nutrients that the plants used up, so this year's plants get a fresh start.
  •  Use 4 to 8 tablespoons of Container Booster to each quart of planting mix
  •  Contains concentrated plant and manure compost, washed granite, Chilean nitrate, black rock phosphate, and seven other natural ingredients
  •  Gardener's Supply Exclusive
  •  Save money by reusing soil mix in pots and planters
Vermont
Burlington
Greensand, 5 Lbs.
Prices start at : 14.95 USD

It's also a boon for tomato lovers, because it has the vitamins and minerals that tomato plants need to produce abundant, intensely flavored fruit. Fertilize your roses with greensand to prolong their blooms next year.
  •  NPK analysis: 0-1-6
  •  Apply 2-4 lbs per 100 sq ft
  •  5-lb. bag
  •  Contains natural greensand
Vermont
Burlington
MYKE Flower Mycorrhizae
Prices start at : 12.95 USD

When mycorrhizae colonize a plant's root system, they increase the plant's capacity to absorb water and nutrients. MYKE contains mycorrhizae -- naturally occurring, beneficial fungi that form a mutually beneficial relationship with plants.
  •  Reduces transplant shock for easier transitions
  •  Treats up to 32 plants
  •  10 oz.
  •  Mycorrhizae, perlite, peat
Vermont
Burlington
Kelp Meal, 4 Lbs.
Prices start at : 29.95 USD

Kelp Meal is a centuries-old solution used by gardeners to build rich, healthy soil. The finest, all-natural seaweed is harvested from the nutrient-rich waters of the Atlantic and dried into a powerhouse meal for plants.
  •  Dried sea kelp
  •  Revitalizes tired garden soil
  •  Covers approx 120 square feet
Vermont
Burlington
Encap Fast Acting Gypsum
Prices start at : 24.95 USD / 30 LB

It helps loosen salt-damaged soil, even clay, to create space for growing roots. Encap Fast Acting Gypsum also helps soil maximize nutrient effectiveness by allowing water to absorb properly.
Maryland
Bowie
Encap Fast Acting Iron
Prices start at : 32.95 USD / 20 LB Bag (10,000 SQ FT)

If you've ever wondered how your neighbor gets such a dark green lawn, the answer is probably iron. Iron is particularly effective with fescue and bluegrass, helping these grasses stay deep green during the hot summer months without the increased growth...
Maryland
Bowie
Container Recharge Kit
Prices start at : 15.95 USD

Recharges 75 quarts of soil. Get plants off to their best start by boosting soil health with long-lasting nutrients that promote vigorous growth all season long. Kit includes one 6-quart bag of Booster Mix (compost, Chilean nitrate, black rock phosphate...
  •  one 6 quart bag of Booster Mix (compost, Chilean nitrate, black rock phosphate and other organic nutrients)
  •  Gardener's Supply Exclusive
  •  Energize your soil mix before you plant!
  •  1 lb. shaker of our organic All-Purpose Fertilizer 5-5-5 (contains peanut meal)
Vermont
Burlington
MYKE Vegetable and Herb Mycorrhizae, Small
Prices start at : 4.95 USD

When mycorrhizae colonize a plant's root system, they increase the plant's capacity to absorb water and nutrients. MYKE contains mycorrhizae -- naturally occurring, beneficial fungi that form a mutually beneficial relationship with plants.
  •  Apply at planting time
  •  1.8 oz. packet treats up to 6 plants
  •  Reduces transplant shock for easier transitions
  •  Mycorrhizae, perlite, peat
Vermont
Burlington
Encap Fast Acting Lime
Prices start at : 18.95 USD / 30 LB Bag (5000 SQ FT)

Low pH can cause moss and bare spots in your lawn and can encourage weeds to grow. By adding lime to soil, it will Encap has created high quality, easy to use lime products trusted by homeowners and professionals nationwide.
Maryland
Bowie
Espoma Bulb-tone Bulb & Flower Food
Prices start at : 7.99 USD / 4 LB

Bio-tone biologically enhances our natural plant food to ensure superior plant growth. Bulb-tone feeds slowly, safely, and will provide a long lasting food reservoir to ensure superior results.
Maryland
Bowie
Espoma Plant-Tone Fertilizers
Prices start at : 19.99 USD / 18 LB

Plant-tone is the original all natural plant food made from the finest quality organics available. Plant-tone's natural organics break down gradually, providing a safe, long lasting food reservoir activated throughout the growing season.
Maryland
Bowie
Espoma Holly-Tone
Prices start at : 18.95 USD / 8 LB Bag

Promotes deep greening and vigorous growth. It will help your hydrangea maintain a lovely blue color and it will help azaleas and rhododendrons produce more blooms. : Feed all of your evergreens (except boxwood and yew), hydrangea, and dogwood with this...
Maryland
Bowie
Jack\'s Classic All Purpose Fertilizer
Prices start at : 14.95 USD / 8 OZ Tub

Jack's Classic All Purpose Fertilizer 20-20-20 is designed for use on all indoor and outdoor plants by supplying both the roots and the leaves with nutrients. Jack's Classic All Purpose Fertilizer is a 20-20-20 water soluble feed designed for use on all...
Maryland
Bowie
White Clover Seed, 1/2 Lb.
Prices start at : 9.95 USD

This Dutch white clover is well suited to lawns as it is a low-growing variety and has good drought resistance. Before the widespread use of herbicides, most lawns contained white clover.
  •  1/2 lbs. seed will provide nitrogen to 250 sq. ft.
  •  Use to top seed an existing lawn or mix with grass seed for new lawns
  •  White clover adds nitrogen to the soil
  •  To top-seed an existing lawn, apply 2 oz. per 1,000 sq. ft.
  •  Will flower if allowed
Vermont
Burlington
Elevated Garden Booster Kit
Prices start at : 24.95 USD

Recharges 148 quarts of soil. Recharge the soil and replenish the nutrients in your elevated gardens to promote healthy growth all season long. Kit includes two 6-quart bags of Booster Mix (compost, Chilean nitrate, black rock phosphate and other organic...
  •  Kit includes two 6-quart bags of Booster Mix (contains compost, Chilean nitrate, black rock phosphate and other organic nutrients) and a 1-pound shaker of our organic All-Purpose Fertilizer 5-5-5 (contains peanut meal)
  •  Recharges 148 quarts of soil
  •  Everything you need to replenish nutrients and prepare for planting
  •  Please note: fertilizer contains peanut meal
Vermont
Burlington
Garden Lime, 6-3/4 Lbs.
Prices start at : 9.95 USD

It reacts quickly yet gently, and is pelletized for easy application. We recommend a soil test before application. Adding lime will bring pH levels into a more neutral range. This is the finest grade garden lime you can buy.
  •  Reacts quickly, yet gently
  •  Pelletized for easy application
  •  Top-quality garden lime
Vermont
Burlington
Soil Acidifier, 6 Lbs.
Prices start at : 14.95 USD

Applying organic, elemental garden sulfur is a safe and effective way to lower soil pH. Sulfur is also an important soil nutrient for promoting disease resistance.
  •  Application chart included
  •  30% elemental sulfur
  •  Brings out blue color in hydrangeas, greens up azaleas and rhododendrons, and helps produce luscious blueberries
  •  All-natural, chemical-free and low in salts — won't "burn" plants
Vermont
Burlington
Espoma Garden-Tone
Prices start at : 7.99 USD / 4 LB

Garden-tone is an all-natural plant food formulated specifically for vegetable gardens. It is safe, long lasting, and will provide the nutrients necessary for vigorous and productive plants.
Maryland
Bowie
Espoma Bio-Tone Plus Starter Plus
Prices start at : 13.95 USD / 4 LB Bag

Espoma Bio-tone Starter Plus will increase root mass and help avoid transplant loss in difficult planting conditions. Great to use with annuals, perennials, vegetables, herbs, trees, and shrubs.
Maryland
Bowie
Espoma Rose-tone
Prices start at : 11.95 USD / 4 LB

Rose-tone is a premium rose food designed to supply the necessary nutrients for growing prize winning roses. The organics in Rose-tone breakdown gradually providing a safe, long lasting food reservoir activated throughout the growing season.
Maryland
Bowie
Espoma Tree-Tone Fertilizer
Prices start at : 29.95 USD / 18 LB

Tree-tone is a premium plant food formulated specifically for shade, fruit, and ornamental trees. Tree-tone's all natural formula contains Bio-tone, and a proprietary blend of beneficial microbes.
Maryland
Bowie
Osmocote Flower & Vegetable Plant Food
Prices start at : 19.95 USD / 2 LB Shaker

Osmocote Flower and Vegetable feeds for the entire growing season, and can be used with edible plants such as: tomatoes and peppers, carrots, onions and beans, flowering transplants, flowering or fruiting trees or shrubs, and bulbs.
Maryland
Bowie
Jack\'s Classic Blossom Booster
Prices start at : 14.95 USD / 8 OZ Tub

Recommended dose for houseplants is 1/2 Teaspoon per gallon of water every other week or 1/4 Teaspoon per gallon every time you water the plants. This package includes a bag of blue dyed fertilizer, measuring cup, and paper instructions.
Maryland
Bowie
Tiger Bloom Fertilizer
Prices start at : 24.95 USD / 2 LB Bottle

For best results, shake well before using and feed with FoxFarm liquid fertilizers at least once a week, beginning the first application when the first signs of flowers appear. All fertilizers have a formula listed as N-P-K, with different numbers for...
Maryland
Bowie
Shellfish Fertilizer
Prices start at : 34.4 USD / 45.0 lbs

You can add small amounts to planting holes or rows as you plant seeds or transplants. Note: Unlike synthetic fertilizers, most organic amendments are non burning and will NOT harm delicate seedling roots.
  • brand: Pro-Pell-It!
Montana
Bozeman
Fish Bone Meal (3-18-0)
Prices start at : 5.15 USD / 3.00 lbs

Benefits plants in ALL stages of growth. Includes seven strains of beneficial soil microbes, which feed the fiber of a living soil by releasing natural organic matter. An excellent source of organic phosphorus and calcium, Dr. Earth Premium Fish Bone...
  • brand: Dr. Earth
Montana
Bozeman