Got plants that thrive in low pH?

Acid Mix 4-3-6 is a fertilizer blended for plants that thrive in a low pH soil like blueberries and raspberries, rhododendrons, azaleas, hydrangeas, evergreen trees and shrubs. 

Spring application encourages lush flowers and fruit; fall application promotes root growth and boost resistance to extreme winter temperatures.

Ingredients: Cottonseed Meal, Fish Bone Meal, Langbeinite, Rock Phosphate and Kelp Meal; also contains non-plant food ingredient of 2.5% Humic Acids derived from Leonardite.

Interested in reading more about organic soil amendments? We have additional information located on our Organic Soil Amendments page.

Conversions:   2.5 cups = 1 lb;   1/2 cup = 3.2 oz;   1 Tbsp = 0.4 oz

Suggested application rates:

Berries

¤ New: prepare transplant hole by mixing 1/2 cup with the back fill soil, using the amended soil to fill in around the new plant and water well.

¤ Established: apply 1 cup per plant in early spring, mixing into soil surface and watering well.

¤ Repeat application when blooms appear and again in fall at half the recommended amount.

Vegetable Gardens and Flower Beds

¤ New: apply 3-6 lbs per 100 square feet, thoroughly mixing into the top 3" of soil. 

¤ Transplants: add 1-2 Tbsp per hole, mixing into the soil and watering well.

¤ Established: side dress 2-4 oz, depending on plant size and desired growth rate, once each month during the growing season.

Containers and Houseplants

¤ New: add 2-4 Tbsp per gallon of soil, mixing thoroughly (or add 6-10 lbs per cubic yard).

¤ Established: lightly mix 1-2 Tbsp per gallon into soil surface once each month during the growing season.

Trees and Shrubs

¤ New: prepare transplant hole, mixing 1-2 cups with the back fill soil, using the amended soil to fill in around the new tree and water well.

¤ Established: spread 1 lb per 1" of trunk diameter around the base outwards to the drip line, mixing into soil surface and water well.