Soil Additives

Speak your plant's language! BuildASoil proudly welcomes the famous Jay Plantspeaker to our LEGEND SERIES to help you communicate with your plants in a truly meaningful way. Maybe your plants won't speak back, but they will show you they are happy. Using...

WHITTEMORE Perlite Supercoarse 4 CF

 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 allowing for a unique organic composition that...

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...

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...

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 Temperature Tolerance...

100% Pure Freeze Dried Coconut Water Powder For Your Garden! Now Even More Soluble. No Fillers or starches, just pure great tasting all natural freeze dried young coconut water powder. FREE SHIPPING + Better Pricing + Better Product = BuildASoil...

 Looking for mulch but don't have a farm in your backyard?We have access to an abundance of straw and are happy to ship you some for your small garden. Larger gardens will benefit from sourcing locally. This barley straw is not certified...

Would you like a single source of seed that is slow growing and establishes excellent cover? This cover crop is perfect for containers and we really are excited to offer it.  This seed is sprouting quality and very clean, when you compare to the...

  Contains: Organically Fed, Humanely Treated Outdoor raised Dairy cow manure, straw, vineyard wood chips, and biodynamic concentrations of yarrow, chamomile, valerian, stinging nettle, dandelion, and oak bark. Mix 2 inches of Malibu Compost...

  Western Colorado Is Losing Thousands Of Beautiful Trees To BeetlesBuildASoil is now turning that wasted wood into a Glorious Soil Amendment.Weight is approximate because we pack by volume.  Available Raw or Pre-ChargedOur...

Oly Mountain Fish Compost® and Oly Mountain Organic Compost® are registered organic compost materials, high in organic matter and soil-building nutrients, sold through quality retail outlets in our communities.Oly Mountain Fish Compost is a virtually...