Down to Earth Acid Mix 4-3-6 | 1lb - For Acid Soil Loving Plants - (Case of 12)

4-3-6 Low pH Fertilizer for Rhododendrons, Azaleas, and Blueberries (1lb)

Down to Earth Acid Mix 4-3-6 is an organic fertilizer blended for plants that thrive in low-pH soils. The 4-3-6 NPK formula is calibrated to deliver balanced nutrition to acid-loving plants including rhododendrons, azaleas, hydrangeas, blueberries, raspberries, evergreen trees, and shrubs.

The 1lb size (Case of 12) suits growers who want to trial the product or maintain small plantings of acid-loving ornamentals.

Key Features & Benefits

• 4-3-6 NPK Formula — Delivers balanced nitrogen, phosphorus, and potassium in a ratio suited to acid-preferring plant species.
• Organic Ingredient Blend — Formulated with cottonseed meal, langbeinite, fish bone meal, rock phosphate, humates, and kelp meal.
• Spring and Fall Application — Spring applications support vegetative growth and blooms; fall applications can promote root development and cold resistance.
• Broad Coverage for Acid Soil Plants — Recommended for rhododendrons, azaleas, hydrangeas, blueberries, raspberries, evergreens, and other acid-loving plants.
• Organic Ingredients — All ingredients are derived from organic sources, making this an organic option for low-pH plant nutrition.

Who Should Use Down to Earth Acid Mix 4-3-6

Acid Mix 4-3-6 suits gardeners and growers who cultivate acid-loving plants including ornamentals such as rhododendrons and azaleas, fruit-bearing shrubs such as blueberries and raspberries, and evergreen trees and shrubs. It is particularly useful where soils naturally run acidic or where plants have shown signs of poor nutrient uptake in low-pH conditions.

Ingredients and Application Timing

The blend includes cottonseed meal, langbeinite, fish bone meal, rock phosphate, humates, and kelp meal — all organic ingredients selected to provide nutrition in acid soil conditions. Apply in early spring to support vegetative growth and again when blooms appear. A fall application can support root development and help acid-loving plants build resistance to cold temperatures.

Frequently Asked Questions

What plants is Acid Mix 4-3-6 designed for?

It is designed for acid-loving plants including rhododendrons, azaleas, hydrangeas, blueberries, raspberries, evergreen trees, and shrubs — plants that prefer lower-pH soil conditions.

What are the ingredients in Acid Mix 4-3-6?

The blend includes cottonseed meal, langbeinite, fish bone meal, rock phosphate, humates, and kelp meal.

When should I apply Acid Mix 4-3-6?

Apply in early spring to encourage vegetative growth and again when blooms appear. A fall application can support root development and cold resistance heading into winter.

Can I use Acid Mix 4-3-6 on blueberries?

Yes. Blueberries are acid-preferring plants and respond well to the 4-3-6 formula. Raspberries are also suitable candidates for this fertilizer.

Is Acid Mix 4-3-6 an organic fertilizer?

Yes. The fertilizer is made from organic ingredients including cottonseed meal, langbeinite, fish bone meal, rock phosphate, humates, and kelp meal.