How to Grow Highbush Blueberry 'Bluecrop'

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Highbush Blueberry 'Bluecrop'

Vaccinium corymbosum 'Bluecrop'

shrub

'Bluecrop' is a highbush blueberry cultivar renowned for its large, firm berries and exceptional cold hardiness. This deciduous shrub produces abundant yields of medium-to-large blue berries with excellent flavor and a long harvest season. It's one of the most reliable and widely planted blueberry varieties for home and commercial gardens.

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Example Highbush Blueberry 'Bluecrop' timeline · Pittsburgh, PA (Zone 6b)

Plant Highbush Blueberry 'Bluecrop'
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
Harvest Highbush Blueberry 'Bluecrop'
Late summer into fall

Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Highbush Blueberry 'Bluecrop' dates for your own zip code.

Growing Conditions

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Sun: Full sun, 6-8 hours daily; can tolerate partial shade but yields decrease

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Water: Consistent moisture is critical; provide 1-2 inches of water weekly during growing season. Blueberries are shallow-rooted and sensitive to drought. Mulch heavily to retain moisture and maintain cool root temperatures.

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Spacing: 48 inches

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Days to maturity: 2-3 years for first significant harvest; full productivity by 4-6 years

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Planting depth: Plant at same depth as root ball; do not bury stem. Space 4-5 feet apart, with 8-10 feet between rows for commercial spacing.

Soil

Type: Well-draining, sandy loam soil with high organic matter content

pH: 4.5-5.5

Amendments:

Sulfur (to lower pH if needed) Peat moss or acidic compost Pine bark mulch Aged pine needles

Growing Zones

Find your zone →

Thrives in zones 4-8, with excellent cold hardiness down to zone 3

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a

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Growth Stages

Establishment

Year 1

Newly planted bareroot or container shrub 12-18 inches tall with limited branching

Remove flower buds first year to encourage root development and vegetative growth. Water deeply and frequently. Apply 2-3 inches of acidic mulch. Prune lightly to shape.

Vegetative Growth

Years 2-3

Shrub develops strong branching structure, reaching 4-6 feet tall, with dark green elliptical leaves arranged alternately

Continue removing some flower buds to balance growth. Prune out weak or crossing canes. Fertilize with acid-forming fertilizer (ammonium sulfate or rhododendron fertilizer). Maintain consistent moisture.

Flowering

4-6 weeks in spring

Clusters of small, bell-shaped white or pale pink flowers appear in spring before or as leaves emerge

Flowers are cold-hardy but late frosts can reduce fruit set. Do not prune during flowering. Ensure adequate pollinator access. At least one other blueberry variety nearby improves cross-pollination and berry size.

Fruiting

6-8 weeks per flush; 'Bluecrop' has extended harvest season

Berries develop from fertilized flowers, transitioning from green to light blue to dark blue over 4-6 weeks; berries are firm and medium-large with good flavor

Maintain consistent watering to prevent fruit cracking and poor flavor. Do not harvest until fully blue and slightly soft—premature berries lack flavor. Thin clusters if desired for larger individual berries. Protect from birds with netting if necessary.

Dormancy

November-March

Leaves turn red-bronze in fall, then drop completely. Bare woody branches remain through winter; flower buds are visible as small swellings on canes

No pruning needed during dormancy. In harsh winters (below -15°F), light mulching around base can protect exposed wood, though 'Bluecrop' is very cold hardy. Remove and compost fallen leaves to reduce fungal diseases.

Companion Planting

Plan your garden →

Plant with:

Other highbush blueberries (for cross-pollination) Rabbiteye blueberries Azaleas Rhododendrons Cranberries Lingonberries Heather

Avoid planting near:

Vegetable gardens requiring regular fertilizer (blueberries need minimal nitrogen) Shallow-rooted plants competing for moisture Black walnut trees (juglone toxicity) Lime-loving plants (pH incompatibility) Dense shade trees that block sunlight

Common Pests

Hand-pick in early morning, use pheromone traps away from plants, or apply neem oil spray in early evening
Use yellow sticky sphere traps, apply spinosad or organic insecticides starting in mid-summer, remove infested berries
Monitor with pheromone traps, apply Bt (Bacillus thuringiensis) during egg-laying period, remove affected berries
Spray forcefully with water to dislodge, apply miticides if severe, maintain adequate humidity
Prune out heavily infested canes, apply dormant oil spray in late winter, monitor regularly

Uses

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Fresh eating and baking

Culinary

'Bluecrop' berries are excellent eaten fresh due to their firm texture and sweet flavor. They are also ideal for pies, cobblers, muffins, jams, and frozen storage for year-round use. [source]

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Antioxidant and nutritional benefits

Medicinal

Blueberries are rich in anthocyanins, resveratrol, and other polyphenols with strong antioxidant and anti-inflammatory properties. Regular consumption is associated with improved cardiovascular health, cognitive function, and reduced inflammation. [source]

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Natural dye production

Household

Blueberry juice and crushed berries produce deep blue-purple dyes suitable for natural fabric dyeing and craft projects. These dyes are non-toxic and produce beautiful, rich colors. [source]

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Wildlife food source

Wildlife

Blueberry shrubs provide abundant food for birds, deer, and other wildlife, making them an excellent choice for native garden landscapes and wildlife habitat creation. [source]

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Ornamental landscape plant

Craft

'Bluecrop' is attractive year-round with spring flowers, summer berries, and striking red-bronze fall foliage. It makes an excellent ornamental shrub for hedges, borders, or specimen plantings. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Pick berries when fully dark blue, slightly soft to touch, and easily detachable from the cluster—this indicates maximum sugar content and flavor. Do not harvest when berries are still firm or light blue. 'Bluecrop' produces an extended harvest season from mid-summer into early fall, with peak production mid-July in most regions. Harvest every 4-5 days during peak season. Handle gently to preserve the delicate bloom (white waxy coating). Store in refrigerator for up to 3 weeks.

Fun Facts

🌱 'Bluecrop' was released by USDA breeding program in 1952 and remains one of the most widely planted blueberry cultivars worldwide due to its reliability, productivity, and cold hardiness—it was a game-changer for blueberry production in colder climates.
🌱 Blueberry shrubs can remain productive for 40-50 years or longer with proper care, making them a multi-generational investment in your garden.
🌱 The blue waxy coating on ripe blueberries (called bloom) protects the berry and contains beneficial compounds; wash gently just before eating to preserve it.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Compost Cultivar Full Sun Mulch Partial Shade Pollination

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