Soil Additives

Wiggle Worm Soil Builder PURE Worm Castings are an organic fertilizer that, because they are pure, when a small handful is added during transplant you could see plants that are 3 times larger and more fruitful. This makes it extremely cost effective...

 This mulch is the real deal.  It is a byproduct of witch hazel distillation.  We source it directly from the distillers as a clean soft wood chip mulch.  Repels gnats and other pests that like to live on or near your soil.  An...

 Complex cover crop mixtures have become greatly sought-after, and there is a rationale behind this. Planting a deliberate mix of many cover crops can yield more than planting a single type. This blend has been tested and has impressive results. It...

 Our Elite Worm Castings, made from organic materials, are the perfect soil amendment to naturally increase your plants' nutrition and vigor. Utilizing these castings will help give your plants an extra boost. Experience the power of organic...

 This recipe is proven to help you brew compost teas without the fuss of wondering if your compost or worm castings have enough quality to brew a quality compost tea.   What goes in a compost tea is what comes out.  When you start with...

 The Elite Compost features organic ingredients, specially chosen for their ability to enrich soil and ensure top-tier crop growth. As a natural fertilizer, it helps to improve the structure of the soil, increasing the overall health of your garden...

 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 productive plants. Reap the benefits of a natural...

 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...

 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...

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...

 Clean, washed silica sand. Excellent for formulating your own cactus soil. Mix with Garden Soil to create a loamy soil. 

 There is a HUGE Kelp shortage this year and we have stocked up on premium organic kelp meal to make sure we don't run out this season. If you have any questions just let us know. Hawaii and Alaska customers only: The 25 lb Food Grade...