Item Number: F090
Acid Mix 4-3-6 (1 lb Box)
Help your Rhododendrons, Azaleas, Evergreens, Blueberries, Raspberries and Potatoes!
100% natural fertilizer blend specially formulated for rhododendrons, azaleas, evergreens, blueberries, raspberries, potatoes and other plants that need a low pH.
- Derived from cottonseed meal, fish bone meal, langbeinite, rock phosphate and kelp meal. ALSO CONTAINS NON-PLANT FOOD INGREDIENT(S): 2.5% Humic Acids derived from Leonardite
- For vegetables and berries, use 5-6 lbs/100 sq ft. or per 100 linear feet.
- For trees and shrubs, use 1 lb per inch of trunk diameter.
- Apply in early spring for vegetative growth and again when blooms appear.
Check Your Zone Compatibility:
Compatible with your zone.
Growing Zone for

Our Guarantee To You
Since 1976, we've served our customers at every stage of growing. Please contact us at any time. We are happy to support and assist you.
Shipping Information
Shipping Information
Shipping Weight: 1.5 lb
Dimensions: 5.5"L x 4.25"W x 2.25"H
Features
Features
Characteristics
Characteristics
Use Instructions
Use Instructions
Useful Information
Useful Information
Guarantee
Guarantee
Share

This high-quality fertilizer is already working wonders on my blueberry plant, encouraging healthy new leaves and budding growth. I’ve noticed a visible improvement since using it!
Related Pages
- Acid-Loving Acidic Fertilizers |
- All Products |
- Berry Planting Supplies |
- Down to Earth - Organic Fertilizers |
- Earth Day Sale 2025 - 20% Off |
- Fertilizers |
- Fertilizers for Vegetative Growth |
- Fertilizers That Add Humus or Humic Acid |
- Fertilizers That Boost Microbial Activity |
- Fertilizers That Correct High pH