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Acid Mix 4-3-6

Item #: 07803

Our price: $10.95

Acid Mix 4-3-6 is a fertilizer and soil amendment blended for plants that thrive in low pH soil. Popular acid-loving plants include berries, rhododendrons, azaleas, hydrangeas, and evergreen trees and shrubs. Comes in 6 lb box. read more

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Our Price: $10.95


Acid Mix is an organic fertilizer blend for plants that thrive in acidic or low pH soil. Some popular acid-loving plants include blueberries, strawberries, raspberries, rhododendrons, azaleas, hydrangeas, and evergreen trees and shrubs. Use this Acid Mix to encourage healthy growth, abundant flowering and high fruit yields.

Features & Benefits:

  • Fertilizer and soil amendment for plants that thrive in acidic or low pH soil
  • N-P-K rating: 4-3-6
  • Ingredients: cottonseed meal, langbeinite, fish bone meal, rock phosphate, humic acid, kelp meal
  • Made in the USA
  • Size: 6 lbs.

Application Rates:

Apply in spring for growing vegetation and again when blooms appear. Apply in late fall to promote healthy root development and build resistance to winter conditions.

Berries: Apply 5 lbs. per 100 linear feet in spring. Repeat application when blooms appear. Apply again in late Fall at half the recommended amount.

Vegetable gardens: Apply 5 lbs. per 100 square feet and thoroughly mix into soil. For transplants, add 1-2 tablespoons per hole and water in well.

Containers & Houseplants: For new plantings, mix 1 part Acid Mix to 20 parts soil. For established plants, mix 1 tablespoon per gallon of soil.

Trees & Shrubs: Use 1 lb. per 1 inch of truck diameter. Spread around the base and water in well.

Soil pH:

An important factor in plant health is the pH level of your soil. PH controls how well plants utilize nutrients available in their soil. Most cultivated plants prefer growing in a slightly acidic to neutral pH range of 6.0-7.0. Acid-loving plants require more acidic soil conditions from 5.5-6.5 on the pH scale. In soil with a higher pH, some key nutrients become unavailable to plants. It helps to use a pH meter or soil test kit to determine your soil's pH and other nutrient levels.


Biodegradable packaging made from 100% recycled paper with soy-based inks. You can recycle the box by adding it to your compost or using it as mulch in your garden.

100% Satisfaction Guarantee

We want you to be completely satisfied with every purchase you make. If you are in any way dissatisfied with a product you ordered, we'll exchange it, replace it or refund your money within 30 days of purchase. Simply email us the problem, and we'll take care of you. Certain products have extended warranties (up to 50 years!) that are listed on the particular product page. Please call us at 1-888-451-6752 if you need further clarification.

Additional Information

Weight 6 lb.
Dimensions 11" L x 8.25" W x 3" D
N-P-K Rating 4-3-6
Origin Made in the U.S.A.
Key Feature Natural fertilizer blended for plants that thrive in low pH soil.

Shipping Information

Shipping Details:
Insured against damage or loss while in transit
This Product Ships To:
US Lower 48
Ships Via:
Fedex or UPS

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Acid Mix Organic Fertilizer 4-3-6 

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