Soil Additives

Premium grade of coarse Canadian sphagnum peat moss. When mixed with soil, increases the soil's capacity to hold water and nutrients. Can be blended with perlite and vermiculite when custom soilless...

AG Limestone is an agent added to soil to help raise the pH without adding trace amounts of magnesium like Dolomite Lime.This Limestone contains 4% magnesium compared to Dolomite which is...

Lambert Horticultural Perlite 8 Dry Qt

 BuildASoil's Favorite Mustard Seed Meal Fertilizer is approved for organic production. Our fertilizer is rich in natural plant nutrients and amino acids. Its formulation is 100% plant-derived...

GAIA GREEN Worm Castings are the unprocessed manure of earthworms. This all-purpose fertilizer is high in organic matter, and adds essential nutrients to the soil to encourage strong plant growth...

Lightweight soil conditioner that loosens clay soil, reduces caking, and improves drainage and aeration. Can be used to start seeds, propagate cuttings and store bulbs. Blend with peat moss and...

The reason we offer this rice bran, is because its an excellent nutrient for making your own fermented fertilizer called Bokashi. Besides this rice bran, you will also need molasses, water, and EM-1...

You asked for it, and we Mixed them up!Slow Release Nitrogen, Aerates, Nourishes, Promotes Plant Growth Resistance, Improves Soil Quality. Excellent for Vegan Organic Gardening.We Order Pallets of...

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...

 Lightweight soil conditioner (white, powdery material) that loosens clay soil, reduces caking, and improves drainage and aeration. Can be used to start seeds, propagate cuttings, and store bulbs...

 This flowering mix is loaded with the nutrients and minerals needed for robust flower growth.   This mix is made from 10 certified organic amendments and is sprinkled onto the soil when your plant...

 Enhance your garden with our Fungal Compost, made from 100% organic ramial wood chips. No manures! This fungal compost increases water retention and soil aeration, leading to healthier and more...