Agiseek home

Garden Soil Amendments

Become a Partner
Greensand, 5 Lbs.
Prices start at : 14.95 USD

Roses and other flowers thrive on greensand because it supplies marine potash, silica, iron oxide, magnesia, lime, phosphoric acid and 22 trace minerals. Fertilize your roses with greensand to prolong their blooms next year.
  •  5-lb. bag
  •  Contains natural greensand
  •  Greensand supplies a variety of nutrients to improve plant health
  •  NPK analysis: 0-1-6
Vermont
Burlington
MYKE Flower Mycorrhizae
Prices start at : 12.95 USD

MYKE contains mycorrhizae -- naturally occurring, beneficial fungi that form a mutually beneficial relationship with plants. Organic and OMRI-listed (certified by the Organic Material Review Institute).
  •  Treats up to 32 plants
  •  10 oz.
  •  Apply at planting time
  •  Enhances growth and supports strong root development
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.
  •  4-lb. bag
  •  Covers approx 120 square feet
  •  Dried sea kelp
Vermont
Burlington
Container Recharge Kit
Prices start at : 15.95 USD

Kit includes one 6-quart bag of Booster Mix (compost, Chilean nitrate, black rock phosphate and other organic nutrients) and a 1-pound shaker of our organic All-Purpose Fertilizer (5-5-5).
  •  Add vital nutrients and soil conditioners
  •  1 lb. shaker of our organic All-Purpose Fertilizer 5-5-5 (contains peanut meal)
  •  Gardener's Supply Exclusive
  •  Supercharges 75 quarts of soil or three 20" planters
Vermont
Burlington
MYKE Vegetable and Herb Mycorrhizae, Small
Prices start at : 4.95 USD

MYKE contains mycorrhizae -- naturally occurring, beneficial fungi that form a mutually beneficial relationship with plants. Organic and OMRI-listed (certified by the Organic Material Review Institute).
  •  Reduces transplant shock for easier transitions
  •  Mycorrhizae, perlite, peat
  •  Enhances growth and supports strong root development
  •  Acts as insurance during environmental stresses, including drought
Vermont
Burlington
White Clover Seed, 1/2 Lb.
Prices start at : 9.95 USD

As it grows, clover ensures healthy turf by adding nitrogen to the soil and choking out weeds. Before the widespread use of herbicides, most lawns contained white clover. This Dutch white clover is well suited to lawns as it is a low-growing variety and...
  •  Grows 4-8" high
  •  Comes in a resealable bag
  •  White clover adds nitrogen to the soil
  •  A tried-and-true herbicide-free way to control weeds
  •  Use to top seed an existing lawn or mix with grass seed for new lawns
Vermont
Burlington
Elevated Garden Booster Kit
Prices start at : 24.95 USD

Kit includes two 6-quart bags of Booster Mix (compost, Chilean nitrate, black rock phosphate and other organic nutrients) and a 1 pound shaker of our organic All-Purpose Fertilizer (5-5-5).
  •  Recharges 148 quarts of soil
  •  Revitalize the soil in your elevated gardens and raised beds
  •  Gardener's Supply Exclusive
  •  Please note: fertilizer contains peanut meal
Vermont
Burlington
Garden Lime, 6-3/4 Lbs.
Prices start at : 9.95 USD

Stunted growth and yellowed leaves can indicate your soil is too acidic for plants to absorb the nutrients they need for healthy growth. Adding lime will bring pH levels into a more neutral range.
  •  Pelletized for easy application
  •  Reacts quickly, yet gently
  •  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.
  •  6-lb. bag
  •  All-natural, chemical-free and low in salts — won't "burn" plants
  •  Application chart included
  •  We recommend testing your soil pH before applying sulfur
Vermont
Burlington
Espoma Soil Acidifier
Prices start at : 13.95 USD / 6 LB

Espoma Organic Soil Acidifier is the finest, most effective soil acidifier available. It contains all natural minerals that can be used to correct the problem of alkaline soil.
Maryland
Bowie
8-qt Natural Vermiculite
Prices start at : 4.49 USD

Burpee Natural Vermiculite is a fine and lightweight soil amendment that will help improve moisture and nutrient retention.
  •  This natural mineral will improve drainage and aeration in potting mixes
  •  Weight: Approximately: 1 pounds
  •  Promotes beneficial microorganism activity
  •  Key ingredient for raised beds and square foot gardens
  •  Shipping Dimensions: Approximately 17 x 12.75 x 4 inches.
Wisconsin
Appleton
1.0 cu ft Moisture Mate Potting Mix
Prices start at : 1.49 USD

  •  Saves time and reduces water for healthy plants
  •  This product cannot be shipped to: CA
  •  Shipping Dimensions: Approximately 28 x 19 x 6 inches.
  •  For all containers, baskets and window boxes
  •  Prevents over and underwatering of plants
Wisconsin
Appleton
16 Qt Potting Mix
Prices start at : 6.99 USD

I stuck a stick in the soil to see if maybe I watered it too much and the water drained, or did the water find a way out before the plant received any water. I bought multiple bags of this Miracle Grow potting soil to repot large 7+ year old plants and...
  •  This product cannot be shipped to: CA
  •  Shipping Dimensions: Approximately 20 x 13.3 x 4 inches.
  •  For indoor and outdoor container plants
  •  Model # 75686300
  •  More blooms for more color
Wisconsin
Appleton
Rapitest pH Soil Test
Prices start at : 5.49 USD

Can use multiple times. Worked as expected. More accurate than the cheap electronic ones
  •  Model # 1612
  •  Quick at home results for soil pH
  •  Soil pH preference list for over 450 plants included
  •  Shipping Dimensions: Approximately 7.5 x 4.25 x 1.25 inches.
  •  Contains all components needed for 10 tests
Wisconsin
Appleton
11 lb. Coir Block
Prices start at : 15.25 USD / each

Vermont Organics Coconut Coir is an ideal soil enhancer. Use it as a fine textured mulch. Add it directly to soil to lighten it. Add fertilizer to make a complete soil. Plus it holds ten times its weight in water.
  •  Effective as a peat moss substitute, with a lower carbon footprint and lower environmental impact than peat
  •  All natural and renewable
  •  Helps curb climate change
  •  Reduces risk of root diseases
  • Soil Amendment Type: Soil Conditioner
  • Returnable: 90-Day
Georgia
Atlanta
64 oz. Organic Soil Treatment
Prices start at : 18.98 USD / each

The Revive 64 oz. Organic Soil Treatment is specially designed to care for lawns and gardens. Use it to help loosen hard-packed soil and increase water penetration. This mixture is made of decomposed organic by products and is fortified with chelated...
  •  Organic
  •  Helps to protect against dog urine burns
  •  Organic-based soil treatment for lawns and gardens
  •  Helps to increase root activity and maintain thickness
  • Bag Capacity/Dry Volume (cu. ft.): 2000
  • Returnable: 90-Day
Georgia
Atlanta
4 cu. ft. Perlite
Prices start at : 38.49 USD / each

The Viagrow Horticultural grade perlite increases water absorption and aeration when added to soil and soilless growing media. Viagrow Horticultural perlite is commonly used alone for a completely inert hydroponic medium with good capillary and air retention...
  •  Outdoor gardening and landscaping
  •  Contains approximately - 4 cu. ft./113 l/119 Qt./29.9 US gallons and weighs 28.5 lbs.
  •  Container and rooftop gardening
  • Product Depth (in.): 36
  • Manufacturer Warranty: 1 year warranty
  • Product Height (in.): 8
Georgia
Atlanta
2 cu. ft. Expand and Plant Organic Complete Mix Coco Sheets
Prices start at : 22.35 USD / each

Saves water, space, time, and money. Cube of 8 individual sheets expands instantly to 2 cu. With hydration. Wonder Soil's Organic Sheets have all of the great ingredients of the Organic Cube, but come in 8 individual sheets for easy expansion and storage!...
  •  Low salts
  •  Moisture Control
  •  Non-toxic and pet safe
  • Product Depth (in.): 4
  • Product Height (in.): 12
  • Soil Type: Top Soil
Georgia
Atlanta
2 cu. yds. / 1800 lbs. Organic Worm Casting Soil
Prices start at : 1071.4 USD / each

Noble Worm Organics is both proud and pleased to announce its long-awaited 2 cu. In the process, those lowly creatures help aerate and condition the soil for the healthy and robust growth of all things green.
  •  Greater plant heights, foliage and root depth
  •  More advanced than plain compost and infinitely more eco-friendly than synthetic fertilizers in available nutrients, micro-organisms, moisture-retention and soil formation ability
  •  Far fewer pathogens remaining after use, as the worms have literally eaten and removed the bad boys in the soil medium
  •  Organic
  •  Superior germination, plant growth and enzymes found only in worm-processed organic matter
  • Returnable: 90-Day
Georgia
Atlanta
4 cu. ft. Perlite (30 Bag Pallet)
Prices start at : 1012.32 USD / pallet(unit load)

The Viagrow Horticultural grade perlite increases water absorption and aeration when added to soil and soilless growing media. Viagrow Horticultural perlite is commonly used alone for a completely inert hydroponic medium with good capillary and air retention...
  •  Organic
  •  Contains approximately - 4 cu. ft./113 l/119 Qt./29.9 US gallons and weighs 28.5 lbs.
  •  Green house propagation and growing
  •  Outdoor gardening and landscaping
  • Bag Capacity/Dry Volume (cu. ft.): 4
  • Returnable: 90-Day
Georgia
Atlanta
Soilblend Super Compost Organic Mix Concentrated Organic Plant Food (4 lbs. Makes 20 lbs.) 2-2-2 NPK
Prices start at : 12.95 USD / bag

Certified Organic/Non-GMO/American Vegetarian Association Approved and Recommended/Sustainable. Soil Blend Super Compost 2-2-2 is a Specially Formulated blend of Composted Beef Cow Manure and Alfalfa blended with Pure Earthworm Castings.
  •  Organic
  •  Sustainable
  •  Bee and butterfly friendly
  •  Concentrated strength
  • Returnable: 90-Day
  • Soil Amendment Type: Compost
Georgia
Atlanta
3 cu. ft. Peat Moss
Prices start at : 10.98 USD / each

The peat moss can be used for reseeding lawns and is OMRI (Organic Materials Review Institute) listed. Peat Moss is a natural, organic soil conditioner and is excellent for growing plants, flowers and vegetables.
  •  3 cu. ft. compressed-volume bag expands when opened
  •  All-purpose soil conditioner, especially for acid loving plants
  •  Organic conditioner can be used to reseed lawns
  •  OMRI listed - bale is compressed and expands
  •  OMRI listed
  • Soil Amendment Type: Peat Moss
Georgia
Atlanta
2 cu. ft. Vermiculite Soil Amendment
Prices start at : 20.97 USD / each

Vermiculite is an organic, asbestos-free soil amendment that promotes faster root growth and gives quick anchorage to young roots. Mixing vermiculite in flower and vegetable gardens or in potted plants will provide the necessary air to maintain Vigorous...
  •  Helps plants retain plant food and moisture
  •  Certified asbestos-free for safety
  •  Organic soil conditioner registered with the Organic Materials Review Institute (OMRI) for earth-friendly gardening
  •  Supports root structure to stimulate fast root growth
  •  Organic soil amendment that promotes root growth
  • Returnable: 90-Day
Georgia
Atlanta
8 oz. Plant Watering Granules
Prices start at : 8.72 USD / each

Ever Moist water storing polymer granules reduce plant watering's, reduces transplant shock and soil compaction. Easy to use simply add to soil. Full directions available on package.
  •  Prevents leaching of valuable nutrients
  •  Enhances survival rates of new plants, trees and shrubs
  •  Increases water holding capacity of soils, reduces frequency of watering
  •  Allows for plant growth in extremely hot and dry conditions
  • Color Family: White
  • Indoor/Outdoor: Indoor/Outdoor
Georgia
Atlanta
20 lb. Fast Acting Sulfur
Prices start at : 22.98 USD / each

Encap's Fast Acting Sulfur is the best lawn care product for lowering pH available today. Encap's patented AST, Advanced Soil Technology helps hold nutrients in place while boosting root development and water penetration.
  •  Plant and flower food helps plants process iron for lush, green growth
  •  Use on lawns, flower, vegetables and more
  •  Covers up to 10,000 sq. ft.
  •  Quickly lowers soil pH to correct excess alkalinity
  • Returnable: 90-Day
  • Soil Amendment Type: Sulfur
Georgia
Atlanta
5 lb. Coop, Pen and Pile Deodorizer
Prices start at : 16.15 USD / each

Vermont Organics' Coop, Pen, And Pile Deodorizer will absorb moisture and nutrients that cause odor, leaving the air cleaner and your animals healthier. You can't get the stink out of your livestock, but you can get it out of your barn.
  •  Improves water and nutrient management for a positive impact on climate change
  •  Helps keep healthier flocks
  •  Extends the life of your bedding
  •  Helps watershed balances
  •  Suppresses odors from biological sources
  • Soil Amendment Type: Soil Conditioner
Georgia
Atlanta
Coco Peat Brick (3-Set)
Prices start at : 16.56 USD / set

Coco peat is a growing/potting medium that out performs many popular brands of peat. It increases the shelf life of plants and reduces watering. It can be used with any type of pot or planter.
  •  No pests, weeds or diseases and it increases the shelf life of plants
  •  The coconut peat promotes strong root growth and plant vigor
  • Bag Weight (lb.): .66
  • Soil Amendment Type: Soil Conditioner
  • Returnable: 90-Day
Georgia
Atlanta