Highbush Blueberry (Vaccinium corymbosum)

Highbush Blueberry

Vaccinium corymbosum

Berries burst with summer sweetness; a hardy edible shrub. Edible fruit-bearing perennial; common name: highbush blueberry.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; requires at least 6 hours of direct sun weekly for optimal fruit production
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Watering Keep soil consistently moist but not waterlogged; apply organic mulch to retain moisture and regulate soil temperature
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Temperature Hardy to -29°C; requires 800–1200 hours of chilling (temperatures below 7°C) to support successful fruit set
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Characteristics

  • Leaf: Oval to oblong, glossy green, turning red-orange in fall
  • Flower: Bell-shaped, white to pale pink, clustered in drooping racemes
  • Fruit: Round, blue-black berries with a waxy bloom when ripe
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Care Guide

Watering

Keep soil evenly moist; increase frequency during fruit development to prevent berry drop

Fertilization

Apply acidic organic fertilizer as new growth emerges. Avoid high-nitrogen fertilizers that can reduce fruit production

Pine Needle Tea:Steep 2 cups of dried pine needles in 1 gallon of water for 3 days; strain and use to water soil to gradually lower pH and add mild nutrients
Pruning
  • Remove dead, diseased, or crossing branches in late winter before new growth starts
  • Thin older, non-fruiting wood to encourage new fruiting branch development
  • Trim overgrown branches to maintain a compact shape and improve air circulation
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic; no adverse effects expected from ingestion

Humans: Non-toxic; ripe berries are safe for human consumption

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Garden Uses & Culture

Culture: Symbolizes summer abundance; used in traditional Native American cuisine and modern farm-to-table dishes

Usage: Edible berries for fresh eating, baking, jams, and syrups; ornamental fall foliage display