Soil Additives

BuildASoil Worm Castings are simply the best bulk source of castings we have ever had the pleasure of working with, we often find living worms still inside the castings.Ôªø This stuff is wet and moist and will often have live worms and cocoons inside...

This orchid bark is excellent propagation and potting media for orchids. Its ideal soil cover for indoor and outdoor container plants. Great for air plants, epiphyte orchid species that grow on branches above the rainforest floor and it provides a...

Soil conditioner that loosens soil, provides aeration and retains water. Can be used to start seeds, propagate cuttings and store bulbs. Blend with peat moss and perlite for custom soilless mix.

Produced locally in Harvard, MA One gallon of Best Buds coarsely sifted worm castings. Used by growers during from seed through the growing season to promote healthy plants. Best Buds worm castings & compost tea is produced by our "best...

Produced locally in Harvard, MA One gallon of Best Buds coarsely sifted worm castings. Used by growers during from seed through the growing season to promote healthy plants. Best Buds worm castings & compost tea is produced by our "best...

Lambert Horticultural Perlite 8 Dry Qt

Beautiful Small Black Lava Rock looks like small/medium perlite and is much better.Please note that due to this products weight it is always shipped USPS.This small black lava rock comes with black lava rock powder in it and will add to the minerals...

MontanaGrow is 76% amorphous silicon proven to increase: Plant Cell Wall Strength Photosynthesis Disease Resistance Flood Tolerance Nutrient Balance UV Tolerance Carbon Sequestration Drought and Salt Tolerance High & Low...

BuildASoil Craft Blend started with a big workshop full of the best and cleanest soil amendments available. I quickly became spoiled and would use all of the BuildASoil ingredients together and in different combinations that aren't available here online...

BuildASoil Craft Blend started with a big workshop full of the best and cleanest soil amendments available. I quickly became spoiled and would use all of the BuildASoil ingredients together and in different combinations that aren't available here online...

Oyster Shell Flour is a high quality soil conditioner which consists of 96% calcium carbonate and many micronutrients, Oyster Shell Flour provides a long-lasting, steady release of nutrients to help regulate pH levels, improve fertilizer uptake, promote...