Old Cobblers Farm™ Organic Blueberry Mix Fertilizer

🫐 Organic Blueberry Fertilizer 4-6-4 – Premium Plant Food for Acid-Loving Berry Bushes

Boost your berry yields the natural way with Old Cobblers Farm Organic Blueberry Fertilizer 4-6-4, a slow-release, all-natural plant food specifically crafted for acid-loving fruit crops. This balanced organic formula provides the essential nutrients blueberries need to produce larger berries, deeper green foliage, and stronger roots—all while improving soil health and microbial activity over time.

Ideal for in-ground blueberry plants, raised beds, and container-grown bushes, this fertilizer supports every stage of blueberry growth—from early bud development to peak fruiting.

✅ Organic Fertilizer Benefits for Blueberries:

🌿 All-Natural, Organic Certified Formula
Made with OMRI-listed, plant- and mineral-based ingredients—safe for edible crops, pollinator-friendly, and completely free from synthetic chemicals.

🌿 Boosts Fruit Yield & Sweetness
With 4% potassium and 6% phosphorus, this fertilizer enhances flower production, fruit set, and berry flavor, while preventing common deficiencies that limit harvest size.

🌿 Stimulates Deep Root Growth
Phosphorus-rich to promote deep, fibrous root systems that help blueberry bushes thrive in acidic soils.

🌿 Supports Acidic Soil Conditions
Formulated to work with low-pH soils (pH 4.5–5.5) preferred by blueberries, cranberries, azaleas, and rhododendrons.

🌿 Improves Soil Health Over Time
Organic matter and slow-release nutrients help build a healthier soil ecosystem—improving water retention, microbial life, and long-term fertility.

🌿 Gentle, No-Burn Formula
Low nitrogen levels (4%) support steady, controlled growth without overfeeding or burning sensitive roots.

🌱 Ideal For:

• Blueberry plants (highbush, lowbush, rabbiteye)

• Cranberries, lingonberries, currants

• Rhododendrons, azaleas, camellias, and other acid-loving ornamentals

• Home gardens, u-pick farms, and commercial berry growers

🧪 How to Use Organic Blueberry Fertilizer:

✅ New Plantings: Mix ½ cup into soil when planting for strong root establishment.
✅ Established Bushes: Apply ½ to 1 cup per plant around the drip line every 4–6 weeks during the growing season.
✅ Containers: Use 1–2 tbsp per 5-gallon pot, adjusted for size.
✅ Water In: Always water deeply after application to activate nutrients.