Duke Highbush Blueberry

Duke Highbush Blueberry (Vaccinium corymbosum 'Duke')

Duke Highbush Blueberry (Vaccinium corymbosum 'Duke'), also known as Duke Blueberry, is a widely planted early-season variety prized for its consistently high yields, mild sweet flavor, and excellent cold hardiness. With its upright habit and showy spring flowers, Duke is both a productive fruiting shrub and a handsome addition to edible landscapes.

Distinctive Features

Duke reaches 4 to 6 feet tall and wide with an upright, bushy form that�s easy to maintain. In early spring, it produces abundant clusters of white, bell-shaped flowers before many other varieties bloom. These are followed by medium to large berries that ripen early in the season and have a mild, pleasing flavor with good firmness and shelf life. The foliage turns brilliant yellow and orange in fall, extending its ornamental appeal.

Growing Conditions

• Sun Exposure: Full sun
• Soil Type: Moist, well-drained acidic soil
• Soil pH: 4.5 to 5.5
• Water Needs: Moderate; prefers consistent moisture, especially during fruit set
• USDA Hardiness Zones: 4 to 7

Ideal Uses

• Focal point in edible gardens and berry borders
• Backyard fruit production with early harvest
• Mixed shrub plantings with ornamental and culinary value
• Pollinator gardens and wildlife-friendly landscapes
• Cold-climate orchards and northern home gardens

Low Maintenance Care

• Prune in late winter to remove old wood and shape the plant
• Mulch with pine bark or needles to maintain soil acidity and moisture
• Water regularly during blooming and fruit development
• Fertilize in early spring with an acid-loving plant formula
• Plant with other early or midseason highbush varieties for better pollination

Why Choose Duke Highbush Blueberry

• Reliable early harvest with heavy yields
• Mild, firm berries great for fresh use and storage
• Cold-hardy and ideal for northern climates
• Showy flowers and colorful fall foliage add seasonal interest
• A productive, well-rounded focal point for edible landscapes

Duke Highbush Blueberry combines early fruiting, consistent performance, and attractive form�making it a dependable focal point for gardeners who value beauty, bounty, and ease of care.