Amendment Avenue

A super awesome lineup of ultra-premium dry amendments, including plant-based, mineral-based and animal-based ingredients, of the highest quality!

30 products

On sale
Seabird Guano High P/Si - High Powered Organics
Seabird Guano High P/Si
Sale priceFrom $5.10 Regular price$6.00
On sale
Seashell Flour - High Powered Organics
Seashell Flour
Sale priceFrom $5.10 Regular price$6.00
On sale
Soft Rock Phosphate
Soft Rock Phosphate
Sale priceFrom $5.10 Regular price$6.00
On sale
Soybean Meal - High Powered Organics
Soybean Meal
Sale priceFrom $5.10 Regular price$6.00
Sold out
Volcanic Ash - High Powered Organics
Volcanic Ash
Sale priceFrom $5.10 Regular price$6.00
On sale
Wollastonite
Wollastonite
Sale priceFrom $5.53 Regular price$6.50

100% Organic Products

Experience the Purity of Organic Products for a Natural and Sustainable Future.

Premium Local Ingredients

Experience the Superior Quality of Locally-Sourced Ingredients & Materials.

80+ Years of Knowledge

Discover the Secrets to Growing Success from Decades of Expertise.

Fast Shipping

Experience Lightning-Fast Shipping and Receive Your Order in Record Time.