Welcome to GrowTime!

Collection:

Dry Amendments

132 products

Dry amendments and minerals to build and recharge living soil.

Show:
Regular price $79.99
Sale price $79.99
Regular price
Unit price
per 
Boost your garden's growth with BAS Fish Bone Meal! This 20lb blend of all-natural fish bones provides essential nutrients to your plants, resulting in healthier and more vibrant foliage. Experienc...
Regular price $17.99
Sale price $17.99
Regular price
Unit price
per 
Unlock the true potential of your plants with BAS Fish Bone Meal! This 2lb bag of all-natural and organic fertilizer is packed with vital nutrients and minerals necessary for healthy plant growth. ...
Sold Out
Regular price $3.99
Sale price $3.99
Regular price
Unit price
per 
Down To Earth’s Oyster Shell is an all-natural and high-quality source of the essential plant nutrient calcium. Ancient oyster shells are carefully harvested and then ground into small, medium and ...
Sold Out
Regular price $15.99
Sale price $15.99
Regular price
Unit price
per 
Boost your garden's health and growth with BAS Basalt 5 lb. Made from volcanic rock dust, this 5 lb bag will enrich your soil and nourish your plants for a thriving garden. Add essential minerals t...
Sold Out
Regular price $46.00
Sale price $46.00
Regular price
Unit price
per 
BuildASoil Horticultural Coconut 100% Pure Freeze Dried Coconut Water Powder For Your Garden! Now Even More Soluble. No Fillers or starches, just pure all natural freeze dried young coconut water p...
Regular price $60.00
Sale price $60.00
Regular price
Unit price
per 
This 5lb TeraKashi Bokashi Pouch is an essential addition to any amateur or professional gardener's toolkit. Made with 100% natural ingredients, it increases soil fertility by breaking down organic...
Regular price $14.99
Sale price $14.99
Regular price
Unit price
per 
Down To Earth’s Acid Mix 4-3-6 is a fertilizer blended for plants that thrive in a low pH soil like blueberries and raspberries, rhododendrons, azaleas, hydrangeas, evergreen trees and shrubs. To e...
Sold Out
Regular price $23.99
Sale price $23.99
Regular price
Unit price
per 
Down To Earth Fish Meal 8-6-0 FertilizerFish Meal is an excellent source of Nitrogen and Phosphorus and is recommended for vegetable gardens, flower beds and all types of outdoor plants, trees and ...
Sold Out
Regular price $16.99
Sale price $16.99
Regular price
Unit price
per 
A wonderful source of phosphorous and calcium for flowering plants, trees and ornamentals, Down To Earth™ Bone Meal 3-15-0 is also recognized as the ideal organic fertilizer when planting bulbs. As...
Sold Out
Regular price $24.99
Sale price $24.99
Regular price
Unit price
per 
 Down To Earth’s Neem Seed Meal 6-1-2 is an excellent all natural fertilizer for enriching garden and agricultural soils and encouraging optimum plant development. Cold pressed from the seeds of th...
Regular price $29.99
Sale price $29.99
Regular price
Unit price
per 
100% Pure Freeze Dried Coconut Water Powder For Your Garden! Now Even More Soluble. Build-A-Soil Coconut Powder is manufactured from organic coconuts in India. When coconuts reach optimum ripeness ...
Sold Out
Regular price $15.99
Sale price $15.99
Regular price
Unit price
per 
Down To Earth Fish Bone Meal 4-12-0 is a marine-based alternative to traditional steamed bone meal and is a great source of organic phosphorus and calcium. As one of the three big nutrients for pla...
Regular price $25.00
Sale price $25.00
Regular price
Unit price
per 
Gnarly Barley from BuildASoil.com is not just a soil amendment, it's a game changer for your plants. Not only does the sprouting of these specialty seeds increase nutrient availability, like it doe...
Sold Out
Regular price $15.99
Sale price $15.99
Regular price
Unit price
per 
No More Sprouting Barley! Malted Barley comes professionally sprouted then dried ready for your SST. We now offer two types of Malted Barley: Whole Malted Barley - Grind at home for the freshest s...
Sold Out
Regular price $44.00
Sale price $44.00
Regular price
Unit price
per 
Gnarly Barley will help you grow the best plants of your life. Problem: How to keep nutrients available to fast growing plants in living soil? Solution: Freshly ground Gnarly Barley! Gnarly Barle...
Regular price $21.99
Sale price $21.99
Regular price
Unit price
per 
Enhance your gardening experience with Hoffman 18Qt Horticultural Vermiculite. Made from natural materials, this product creates a lightweight and absorbent soil for optimal plant growth. Perfect f...
Regular price $79.99
Sale price $79.99
Regular price
Unit price
per 
BuildASoil's New Horticultural Aloe! Build-A-Soil Horticultural Aloe is a 100% pure Aloe Vera concentrate powder. We only use mature organic Aloe Barbadensis Miller leaves which are processed and f...
Sold Out
Regular price $30.00
Sale price $30.00
Regular price
Unit price
per 
Our Kashi Blend is derived from organic molasses, organic rice bran, organic wheat bran, organic soybean meal, organic insect frass, EM-1, and trace minerals. Post Fermentation: Organic powdered ma...
Regular price $13.99
Sale price $13.99
Regular price
Unit price
per 
BAS AG Limestone 4lb is a professional-grade product designed for agricultural purposes. This high-quality limestone supplement contains essential minerals that can improve soil pH levels, promotin...
Sold Out
Regular price $44.00
Sale price $44.00
Regular price
Unit price
per 
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 allow...
Sold Out
Regular price $50.00
Sale price $50.00
Regular price
Unit price
per 
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 ...
Regular price $15.99
Sale price $15.99
Regular price
Unit price
per 
Certified Organic Two Row Malted Barley No More Sprouting Barley! Malted Barley comes professionally sprouted then dried ready for your SST. We now offer two types of Malted Barley: Whole Malted B...
Sold Out
Regular price $60.00
Sale price $60.00
Regular price
Unit price
per 
Discover how our Kashi Blend, a diverse grain bokashi, can jumpstart your gardening and composting efforts! WHATS IN YOUR KASHI BLEND? Our Kashi Blend is derived from organic molasses, organic rice...
Regular price $13.99
Sale price $13.99
Regular price
Unit price
per 
Blue Corn Seed is certified Organic and totally untreated this is a food grade product that is rare to find. The Enzymes are a catalyst that assist the other nutrients and help super charge your so...
Regular price $80.00
Sale price $80.00
Regular price
Unit price
per 
BAS 8oz Jay Plantspeaker’s Quillaja Saponaria Extract Powder
Sold Out
Regular price $19.99
Sale price $19.99
Regular price
Unit price
per 
GAIA GREEN® ORGANICS Mineralized Phosphate is mined from caves and has potent phosphorus content. Mineralized phosphate has been known since ancient times to be a highly beneficial natural fertiliz...
Sold Out
Regular price $34.99
Sale price $34.99
Regular price
Unit price
per 
Mealworms only output is their excrement – known as Castings or Frass. This insect frass is 100% from mealworms! Mix with water for indoor and outdoor use Can be applied via a spreader for la...
Regular price $104.28
Sale price $104.28
Regular price
Unit price
per 
BuildASoil BIG 6 Micronutrients + Humic Acid We have done thousands of soil tests and over the years and we've noticed that our particular soils are usually very high in Iron but very low in mangan...
Sold Out
Regular price $79.99
Sale price $79.99
Regular price
Unit price
per 
100% Pure Freeze Dried Coconut Water Powder For Your Garden! Now Even More Soluble. Build-A-Soil Coconut Powder is manufactured from organic coconuts in India. When coconuts reach optimum ripeness ...
Sold Out
Regular price $14.99
Sale price $14.99
Regular price
Unit price
per 
BAS Wettable Sulfur is a powerful and versatile product that effectively controls various fungal diseases on crops and plants. Made of 90% sulfur, it offers long-lasting protection and helps to imp...
Sold Out
Regular price $39.99
Sale price $39.99
Regular price
Unit price
per 
Growers swear by sulfur for increased terpene production.
Sold Out
Regular price $24.99
Sale price $24.99
Regular price
Unit price
per 
We love this rice bran for soil building! We purchase OMRI listed rice bran and it is excellent for building soil. This material is very high in P and our most recent test shows over 6% water sol...
Sold Out
Regular price $22.99
Sale price $22.99
Regular price
Unit price
per 
Enhance your soil's performance with our premium-grade Bio Char, a revolutionary product designed to improve soil health, water retention, and plant growth. At BuildASoil, we offer two types of Bi...
Sold Out
Regular price $39.60
Sale price $39.60
Regular price
Unit price
per 
BuildASoil BIG 6 Micronutrients + Humic Acid We have done thousands of soil tests and over the years and we've noticed that our particular soils are usually very high in Iron but very low in mangan...
Sold Out
Regular price $15.99
Sale price $15.99
Regular price
Unit price
per 
This BAS Cover Crop Rye/Cloner 70/30 1.5# is a versatile cover crop mix that is perfect for improving soil health and fertility. This mix contains 70% rye and 30% clover, providing excellent weed s...
Sold Out
Regular price $23.99
Sale price $23.99
Regular price
Unit price
per 
AGSIL 16H is manufactured by PQ corporation and is one of the few silica products on the market that is water soluble. This simple powder will save money over buying water-based Silica Bottle prod...
Sold Out
Regular price $47.99
Sale price $47.99
Regular price
Unit price
per 
Designed To Encourage Mycorrhizal Fungi Populations Perfect for Raised beds or Container plants. Almost 60% Clover Seed from 4 types of clover. Designed To Encourage Mycorrhizal Fungi Populations. ...
Sold Out
Regular price $14.99
Sale price $14.99
Regular price
Unit price
per 
  GAIA GREEN Glacial Rock Dust is sourced from mineral deposits left by moving glaciers during the last ice age. This natural fertilizer contains essential plant nutrients that support strong plant...
Regular price $140.00
Sale price $140.00
Regular price
Unit price
per 
Craft Blend weighs about 8.3 Ounces per cup Ingredients all Equal by Weight: Thorvin Premium Kelp Meal Black Soldier Fly Insect Frass Alfalfa Meal BuildASoil Organic High P Bran Camelina Meal Cr...
Sold Out
Regular price $16.99
Sale price $16.99
Regular price
Unit price
per 
BENEFITS Finely ground rock dust from glacial moraine helps to re-mineralize soil. An excellent source of magnesium, iron, manganese and trace elements. Helps improve soil structure, moi...

Featured brands!

  • BuildASoil logo with The #1 Choice for Custom Organic Fertilizer tagline
  • Royal Gold logo with Rooted in Humboldt tagline
  • Gorilla Grow Tent logo with Grow Strong tagline
  • FoxFarm Soil & Fertilizer Company logo
  • Grower's Choice logo