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The Seed Supply

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When purchasing a product, price is the consumer's primary concern. At present, The Seed Supply has 291 products for sale. The Seed Supply products range in price from $8 to $70, and the average price of all the products is about $31.

We found that most of the The Seed Supply products are manufactured by Azomite, Thermocal, and US Calcium. The manufacturers provide The Seed Supply with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase The Seed Supply products from the seller The Seed Supply. The brand holds an average rating of 4.5, testifying to its excellent reputation.

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The Seed Supply Best Sellers

Last Updated: Jan 12, 2025

Garden Soil

20 Lb Pulverized Leonardite by The Seed Supply - Natural Unaltered Oxidized Lignite - 70% Humic Acid

20 Lb Pulverized Leonardite by The Seed Supply - Natural Unaltered Oxidized Lignite - 70% Humic Acid Cover
  • Pulverized leonardite powder is a biochemically active concentrated source of humic acids containing 70% humic acid (by weight).
  • Naturally-occurring, unaltered oxidized lignite is pulverized to a particle size 90% less than 30 mesh.
  • This powder is an organic material which is added to your soil to enhance uptake of nutrients, increase microbial activity and stimulate soil life, and can be used as a supplemental source of trace elements.
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Garden Fertilizers

20 Pound Granular AZOMITE by The Seed Supply - Natural Trace Mineral Granulated Fertilizer

20 Pound Granular AZOMITE by The Seed Supply - Natural Trace Mineral Granulated Fertilizer Cover
  • Granular Azomite is formed into easy-to-handle and store granules containing 67 trace minerals used to supplement and improve mineral depleted soil.
  • Azomite is a good amendment for crops, compost and potting soil and is used to increase size and yield of fruit. Once applied to the soil, granules will break down over time with exposure to water.
  • Granulated is ideal for: -Broadcast spreading -Fertilizer blends -Starter fertilizers
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Garden Fertilizers

5 Pounds Calcium Carbonate Limestone Powder by The Seed Supply - Rock Dust - Great Soil Amendment and Fertilizer

5 Pounds Calcium Carbonate Limestone Powder by The Seed Supply - Rock Dust - Great Soil Amendment and Fertilizer Cover
  • 5 Pounds of Limestone Powder *Mesh size up to 300, Pale grey powder.
  • When spread on the ground before planting, it absorbs and reduces acids in the soil, creating optimal growing conditions for plants. By neutralizing soil acidity, it enhances nutrient availability and promotes healthier plant growth, resulting in improved yields and overall garden success.
  • As a moisture and odor absorbent, limestone powder is commonly utilized in barns and animal areas. By absorbing moisture and odors, it creates a more comfortable environment for both workers and animals, promoting overall well-being.
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Garden Fertilizers

5 Lb Pulverized Leonardite - Natural Unaltered Oxidized Lignite - 70% Humic Acid

5 Lb Pulverized Leonardite - Natural Unaltered Oxidized Lignite - 70% Humic Acid Cover
  • Pulverized leonardite powder is a biochemically active concentrated source of humic acids containing 70% humic acid (by weight).
  • Naturally-occurring, unaltered oxidized lignite is pulverized to a particle size 90% less than 30 mesh.
  • This powder is an organic material which is added to your soil to enhance uptake of nutrients, increase microbial activity and stimulate soil life, and can be used as a supplemental source of trace elements.
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Garden Fertilizers

10 Pound Granular AZOMITE by The Seed Supply - Trace Mineral Granulated Fertilizer

10 Pound Granular AZOMITE by The Seed Supply - Trace Mineral Granulated Fertilizer Cover
  • Granular Azomite is formed into easy-to-handle and store granules containing 67 trace minerals used to supplement and improve mineral depleted soil.
  • Azomite is a good amendment for crops, compost and potting soil and is used to increase size and yield of fruit. Once applied to the soil, granules will break down over time with exposure to water.
  • Azomite will not harm or burn plants. Apply directly or with compost, humus, manures, fertilizers, beneficial soil microbials. May be used in compost tea productions.
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Garden Fertilizers

10 Pound Granular Zeolite by The Seed Supply - Organic Fertilizer Compost Agent All Purpose Absorbent

10 Pound Granular Zeolite by The Seed Supply - Organic Fertilizer Compost Agent All Purpose Absorbent Cover
  • Increases water retention in the soil.
  • Cat Litter Alternative.
  • Allows plants to more easily access water and nutrients.
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Garden Fertilizers

4 Ounces Calcium Carbonate Limestone Powder by The Seed Supply

4 Ounces Calcium Carbonate Limestone Powder by The Seed Supply Cover
  • 4 ounces of limestone powder, *Mesh size up to 300, Pale grey powder.
  • In the garden, limestone powder works wonders as a soil amendment. When spread on the ground before planting, it absorbs and reduces acids in the soil, creating optimal growing conditions for plants. By neutralizing soil acidity, it enhances nutrient availability and promotes healthier plant growth, resulting in improved yields and overall garden success.
  • Container Pots: For stronger stems and healthier growth, add 1/4 teaspoon per 6-inch pot during regular watering, once every 3-4 months.
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Garden Fertilizers

2 Pound Granular AZOMITE by The Seed Supply - Natural Trace Mineral Granulated Fertilizer

2 Pound Granular AZOMITE by The Seed Supply - Natural Trace Mineral Granulated Fertilizer Cover
  • Granular Azomite is formed into easy-to-handle and store granules containing 67 trace minerals used to supplement and improve mineral depleted soil.
  • Azomite is a good amendment for crops, compost and potting soil and is used to increase size and yield of fruit. Once applied to the soil, granules will break down over time with exposure to water.
  • Granulated is ideal for: -Broadcast spreading -Fertilizer blends -Starter fertilizers
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Garden Fertilizers

20 Pound Granular Zeolite by The Seed Supply - Organic Fertilizer Compost Agent All Purpose Absorbent

20 Pound Granular Zeolite by The Seed Supply - Organic Fertilizer Compost Agent All Purpose Absorbent Cover
  • Increases water retention in the soil by The Seed Supply
  • Cat Litter Alternative.
  • Allows plants to more easily access water and nutrients.
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Garden Fertilizers

2 Pound Granular Zeolite by The Seed Supply - Organic Fertilizer Compost Agent All Purpose Absorbent

2 Pound Granular Zeolite by The Seed Supply - Organic Fertilizer Compost Agent All Purpose Absorbent Cover
  • Increases water retention in the soil.
  • Cat Litter Alternative.
  • Allows plants to more easily access water and nutrients.
Buy on Amazon Find on eBay
Garden Fertilizers

8 Ounces Calcium Carbonate Limestone Powder by The Seed Supply

8 Ounces Calcium Carbonate Limestone Powder by The Seed Supply Cover
  • 8 ounces of limestone powder, *Mesh size up to 300, Pale grey powder.
  • In the garden, limestone powder works wonders as a soil amendment. When spread on the ground before planting, it absorbs and reduces acids in the soil, creating optimal growing conditions for plants. By neutralizing soil acidity, it enhances nutrient availability and promotes healthier plant growth, resulting in improved yields and overall garden success.
  • Container Pots: For stronger stems and healthier growth, add 1/4 teaspoon per 6-inch pot during regular watering, once every 3-4 months.
Buy on Amazon Find on eBay
Garden Fertilizers

30 Pound Granular Zeolite by The Seed Supply - Organic Fertilizer Compost Agent All Purpose Absorbent

30 Pound Granular Zeolite by The Seed Supply - Organic Fertilizer Compost Agent All Purpose Absorbent Cover
  • Increases water retention in the soil by The Seed Supply
  • Cat Litter Alternative.
  • Allows plants to more easily access water and nutrients.
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