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Duke Blueberry

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A heavy, consistent producer of medium to large, light blue berries. Fruit is mildly tart and have a high vitamin content. Blooms late but ripens early, protecting blossoms from late frosts. Yellow-orange fall foliage.

Characteristics

Other Species Names:
Blueberry Duke
Average Landscape Height:
6 feet
Average Landscape Width:
5 feet
Genus:
Vaccinium
Cultivar:
Duke
Branching:
multi-stemmed
Plant Form:
upright spreading
Canopy:
leggy
Growth Rate:
medium
Pruning:
best if not pruned
Flower Color:
white
Flower Bicolor:
shell pink
Flower Form:
bell
Flower Period:
in mid-late spring
Summer Foliage Color:
green
Fall Color:
yellow
Maximum Light:
full sun
Minimum Light:
partial shade
Maximum Moisture:
moist
Minimum Moisture:
average

Ornamental Features

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Landscape Attributes

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Planting & Growing

Duke Blueberry will grow to be about 6 feet tall at maturity, with a spread of 5 feet. It tends to be a little leggy, with a typical clearance of 1 foot from the ground, and is suitable for planting under power lines. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 30 years. This variety is self-fertile and does not require a pollinator. However, fruit production is typically increased with more plants nearby.

This shrub is typically grown in a designated area of the yard because of its mature size and spread. It does best in full sun to partial shade. It does best in average to evenly moist conditions, but will not tolerate standing water. It is very fussy about its soil conditions and must have sandy, acidic soils to ensure success, and is subject to chlorosis (yellowing) of the foliage in alkaline soils. It is quite intolerant of urban pollution, therefore inner city or urban streetside plantings are best avoided, and will benefit from being planted in a relatively sheltered location. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder microclimates. This is a selection of a native North American species.

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