Amendment Avenue

High-Quality Singular Dry Inputs for Soil Building & Rejuvenation

Amendment Avenue is your one-stop shop for soil amendments designed to enhance structure, nutrient profile, and microbial life. Our carefully selected single-ingredient materials — from biochar, compost, and worm castings to rock minerals, clay, and seaweed meal — give you complete control when rejuvenating old soil or building your own custom mix.

Whether you’re top-dressing, recharging, or crafting a living soil from scratch, these amendments offer clean, concentrated performance — with no fillers, no fluff, and full microbial compatibility. Trusted by regenerative growers and home gardeners across Australia.

30 products

Oyster Lime - High Powered Organics
Sale priceFrom $8.00 AUD
5.0
Kelp Meal - High Powered Organics
Sale priceFrom $8.00 AUD
Sold out
Bone Meal - High Powered Organics
Sale priceFrom $11.00 AUD
5.0
Alfalfa Meal - High Powered Organics
Sale priceFrom $6.50 AUD
5.0
Azomite
Sale priceFrom $8.00 AUD
4.0
Neem Meal - High Powered Organics
Sale priceFrom $6.00 AUD
Insect Frass - High Powered Organics
Sale priceFrom $15.00 AUD
5.0
Langbeinite Granule - High Powered Organics
Sale priceFrom $8.00 AUD
Seabird Guano High P/Si - High Powered Organics
Sale priceFrom $6.00 AUD
4.0
Blood Meal - High Powered Organics
Sale priceFrom $10.00 AUD
Malted Barley - High Powered Organics
Sale priceFrom $6.50 AUD
Fish Meal - High Powered Organics
Sale priceFrom $10.00 AUD
Karanja & Neem Meal Mix
Sale priceFrom $9.00 AUD
Soft Rock Phosphate
Sale priceFrom $6.00 AUD
Palagonite - High Powered Organics
Sale priceFrom $6.00 AUD
5.0
Raw Humates
Sale priceFrom $7.50 AUD
4.0
Feather Meal - High Powered Organics
Sale priceFrom $9.00 AUD
Karanja Meal
Sale priceFrom $12.00 AUD
Fish Bone Meal
Sale priceFrom $18.50 AUD
Soybean Meal - High Powered Organics
Sale priceFrom $6.00 AUD
Seabird Guano High N/Cal - High Powered Organics
Sale priceFrom $9.00 AUD
Gypsum  (Calcium Sulphate)
Sale priceFrom $6.50 AUD
Coconut Meal - High Powered Organics
Sale priceFrom $6.00 AUD
Sold out
Volcanic Ash - High Powered Organics
Sale priceFrom $6.00 AUD
Crustacean Meal - High Powered Organics
Sale priceFrom $45.00 AUD
Beetroot Meal - High Powered Organics
Sale priceFrom $8.00 AUD
Malted Corn
Sale priceFrom $8.00 AUD
Wollastonite
Sale priceFrom $6.50 AUD
4.0
Montmorillonite (Calcium Bentonite)
Sale priceFrom $10.00 AUD
Magnesium Carbonate
Sale priceFrom $16.00 AUD