castor aralia

Kalopanax septemlobus

TreeAraliaceae

castor aralia
USDA zones4 to 7
SunHandles full sun to partial sun
WaterHandles moderate to moist soil
Size40 to 60 feet tall40 to 60 feet wide
Growth rate
Slow
Habit
Erect
Bloom season
Summer
Bloom color
White
Foliage color
Green

Garden uses

Shade gardenSpecimen

Attracts

Birds

Notes

Castor aralia (Kalopanax septemlobus) is a tree for specimen use and the shade garden. It is hardy to USDA zone 4, or down to -30°F (-34°C). This plant likes full or part sun and average to moist soil. It grows slowly and reaches 40 to 60 feet tall and wide with an erect habit. White flowers open from early to late summer, and birds visit the tree.

Pairs well with Cinnamon fern, Elegans hosta, and Endless Summer hydrangea.

Native range

Eastern Asia.

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