Fruits, Vegetables, Herbs
Duke highbush blueberry
Vaccinium corymbosum 'Duke'
'Duke' is an upright highbush blueberry grown for white spring flowers and an early crop of blue fruit. In Southwest Washington, it fits an edible hedge or blueberry row with harvest access and irrigation. Mature plants reach about 5 to 7 feet tall; allow roughly that much room across unless you plan to manage their spread. Full sun supports the best crop, while partial shade can reduce it. Prepare acidic, well-drained soil and keep moisture steady through dry weather. This cultivar needs careful irrigation because poorly drained ground increases its root rot risk. A second blueberry cultivar can improve yield.
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At a glance
- Mature height
- About 5–7 ft
- Mature spread
- Allow about 5–7 ft
- Light
- Full sun; partial shade
- Hardiness
- Generally hardy in Southwest Washington
The right plant, the right place
Make room for something good.
Plant 'Duke' in a blueberry row or edible hedge where you can reach the fruit. Its upright growth also suits an edible landscape planting.
Where to plant
Choose full sun for the best crop; partial shade can reduce fruiting. Allow about 5 to 7 feet across unless you will manage the shrub smaller.
Through the seasons
White flowers appear in spring, followed by an early-season blueberry crop. Ripening time varies with local conditions.
Southwest Washington gardens
Give it a good start.
'Duke' is a northern highbush cultivar suited to Pacific Northwest blueberry growing. In Southwest Washington, prioritize drainage and steady irrigation.
Soil, drainage & water
Prepare acidic, organic, well-drained soil and keep it evenly moist. Avoid waterlogged ground and manage irrigation carefully because 'Duke' is susceptible to root rot.
A little care goes a long way
Growing well, season after season.
Mulch to help retain moisture, and irrigate carefully during dry periods. Renew productive canes through pruning; another blueberry cultivar can improve yield.
Know what to look for
Common growing concerns.
Symptoms can have more than one cause. These notes are a starting point for observing your plant and improving its growing conditions.
Spotted wing drosophila
Soft, damaged berries near harvest.
Help your plant thrive
Harvest ripe berries promptly and monitor fruit as it ripens.
Mummyberry
Affected berries shrivel before harvest.
Help your plant thrive
Remove affected fruit and plant debris, and monitor plants in spring.
A little more inspiration
Keep exploring.
Little Ben Dwarf Gooseberry
Ribes uva-crispa 'Little Ben'
Little Ben is a compact deciduous gooseberry with spring flowers and summer fruit, suited to sunny or partly shaded edible gardens with well-drained soil.
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Red huckleberry
Vaccinium parvifolium
This native deciduous shrub brings green stems, spring flowers, and edible red berries to moist, partly shaded woodland plantings and habitat edges in Southwest Washington gardens.
Explore this plantScarlet Ovation Evergreen Huckleberry
Vaccinium ovatum 'Scarlet Ovation'
Scarlet Ovation is a compact evergreen huckleberry with colorful new growth, spring flowers, and edible berries. Plant in acidic, well-drained soil for low hedges or groups.
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