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:
¤ 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.
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- 4-3-6. Total Nitrogen (N) 4.0%: 0.6% Water Soluble Nitrogen, 3.4% Water Insoluble Nitrogen. Available Phosphate (P2O5) 3.0%. Soluble Potash (K2O) 6.0%. Calcium (Ca) 3.0%. Magnesium (Mg) 2.0%. Sulfur (S) 2.0%. Non-Plant Food Ingredients: 2.5% Humic Acids derived from Leonardite.
- 25lb and 50lb Bags available as Shop Pick Up Only. Conversions: 2.5 cups = 1 lb; 1/2 cup = 3.2 oz; 1 Tbsp = 0.4 oz