Empress Tree vs Globe Blue Spruce - TreeTime.ca

Empress Tree vs Globe Blue Spruce

Picea pungens Glauca Globosa

Paulownia tomentosa

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Globe Blue Spruce
Empress Tree

The Globe Blue Spruce is a uniquely shaped evergreen shrub species, with a rounded and compact form. It has silvery-blue needles that can last all winter, which add to its ornamental value.

The Globe Blue Spruce is a cultivar of the Blue Spruce and is especially popular in urban environments for its eye-catching shape, cold-hardiness and high pollution tolerance.

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.

Globe Blue Spruce Quick Facts

Empress Tree Quick Facts

Zone: 3a
Zone: 5a
Height: 1.2 m (4 ft)
Height: 9 m (30 ft)
Spread: 2.1 m (7 ft)
Spread: 9 m (30 ft)
Moisture: dry, normal
Moisture: normal
Light: full sun
Light: full sun
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no
Flowers: light purple
Growth rate: slow
Growth rate: very fast
Life span: long
Life span: medium
Suckering: none
Suckering: medium




Other Names: colorado globe spruce
Other Names: chinese empress tree, foxglove tree, princess tree, royal paulownia