Assiniboine Poplar vs Empress Tree - TreeTime.ca

Assiniboine Poplar vs Empress Tree

Paulownia tomentosa

Populus x Assiniboine

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Empress Tree
Assiniboine Poplar

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.

As one of the fastest growing trees in the world, this tree has been given considerable attention for carbon sequestration projects. It drops many seeds which can make it invasive in warmer climates. Please do some research and plant the right tree in the right place.

The Empress tree’s genus name comes from Princess Paulowna, daughter of Tsar Paul I of Russia.

Assiniboine poplar is a tall, fast growing tree that has a shapely oval form and dense foliage. This hybrid poplar is a male clone and produces no fuzz or fluff. Assiniboine poplar can handle tough conditions such as: urban pollution, environmental salt, drought, poor soil, and even some standing water.

Empress Tree Quick Facts

Assiniboine Poplar Quick Facts

Zone: 5a
Zone: 2a
Height: 9 m (30 ft)
Height: 20 m (66 ft)
Spread: 9 m (30 ft)
Spread: 12 m (40 ft)
Moisture: normal
Moisture: normal, wet
Light: full sun
Light: partial shade, full sun
Hybrid: no
Hybrid: yes
Catkins: no
Catkins: no
Flowers: light purple
Growth rate: very fast
Growth rate: very fast
Life span: medium
Life span: medium
Suckering: medium
Suckering: high


In row spacing: 2.4 - 3 m (8 - 10 ft)
Between row spacing: 5 m (16 ft)


Other Names: chinese empress tree, foxglove tree, princess tree, royal paulownia