Height:
 
 
The Duke Northern Highbush blueberry plant typically grows to a height of 4 to 6 feet. It is an upright, compact bush.
 
 
Ripening Time:
 
 
Duke Northern Highbush blueberries ripen in late June to early July. They are known for being an early ripening variety, typically producing a harvest in a relatively short period.  Duke blueberries are also known for their high yields and firm, medium-sized berries. 
 
 
Self Pollinating; Select 2 different varieties for good cross pollination.  Cross pollinate with Elliot or Patriot for higher yields.
 
 
Characteristics
 
 
Bloom Color
White
Bloom Time
Early
Fruit Color
Blue
Fruit Size
Large
Hardiness Zone Range
4 - 7
Pollination
Self-Pollinating
Ripens/Harvest
Late May
Shade/Sun                       
Full Sun
Soil Composition
Loamy
Soil Moisture
Well Drained.    
Soil pH Level
4.5 - 5.5
Texture
Firm
Years to Bear
2 - 3