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Acid Mix Fertilizer 4-3-6

Item #: 7803
Our price: $9.95

Sale Price: $6.95 You save $3.00 (30%)

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. Size: 6 lbs. read more

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Lead time: 1-2 Business Days

Our Price: $6.95


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

How To Use:

Apply in spring for growing plants and again when blooms appear. Apply in late fall to promote healthy root development and cold tolerance.

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.

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.

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

Trees and Shrubs: Use 1 lb. per 1 inch of trunk 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.


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
Key Feature Natural fertilizer blended for plants that thrive in low pH soil
Origin Made in the U.S.A.

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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  • In business since 2000
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  • Carbon-neutral, Family-owned business that promotes sustainability!
Acid Mix Organic Fertilizer 4-3-6 Click to Enlarge
Acid Mix Organic Fertilizer 4-3-6 

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