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Black Hills Spruce vs Empress TreePicea glauca var. densata Paulownia tomentosa 
Black Hills Spruce is a subspecies of White Spruce native to the Black Hills of South Dakota. It has a strongly conical form, slower growth rate and denser foliage than typical white spruce, making it preferable as a specimen tree for smaller suburban lawns. It also responds well to pruning, and can be used as a hedge or even bonsai.
The Empress Tree is a fast growing, ornamental shade tree. It has purple, fragrant flowers that are quite attractive. The flowers emerge before the leaves in early spring. The leaves of this tree can grow very large, up to 30 cm long. BLACK HILLS SPRUCE QUICK FACTSEMPRESS TREE QUICK FACTS
Lowest Price:
$2.99
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SAVE UP TO 25%
Lowest Price:
$17.99
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SAVE UP TO 28%
Flowers:
light purple
Growth rate:
slow
Growth rate:
very fast
Maintenance:
low
Maintenance:
high
Pollution tolerance:
medium
Pollution tolerance:
high
In row spacing: 3 - 4 m (10 - 12 ft)
Between row spacing:
5 m (16 ft)
Other Names:
chinese empress tree, foxglove tree, princess tree, royal paulownia
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