Ussurian Pear (Siberian) vs Black Locust - TreeTime.ca

Ussurian Pear (Siberian) vs Black Locust

Pyrus ussuriensis

Robinia pseudoacacia

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Ussurian Pear (Siberian)
Black Locust

Ussurian Pear is the most cold hardy of all pear species. It is frequently used as a rootstock or as a pollinizer for other pear varieties. The pinkish-white flowers that bloom in the spring and the striking fall colours make it well-suited as an ornamental addition to your landscape.

Ussurian Pear can also be used for forming hedges as it tends to branch quite low.

While the Ussurian Pear is considered self-pollinating, planting with another pear variety will increase yields. Can be paired with Krazulya Pear or Beedle Pear.

Black Locust is an attractive tree. Its distinctive leaves are made of about a dozen bright green leaflets. It also notable for its fragrant white flowers, which smell of citrus.

Black Locust can grow in many situations, but prefers dry areas with lots of sun. It is robust and is an excellent choice for establishing shade in dry, open areas.

Important note: Much of the Black Locust is toxic to humans and livestock, including seeds, bark, and leaves.

Ussurian Pear (Siberian) Quick Facts

Black Locust Quick Facts

Zone: 3a
Zone: 3a
Height: 10 m (33 ft)
Height: 12 m (40 ft)
Spread: 8 m (26 ft)
Spread: 8 m (25 ft)
Light: full sun
Light: full sun
Moisture: normal
Moisture: dry, normal
Growth rate: fast
Growth rate: fast
Life span: long
Life span: long
Suckering: none
Suckering: high
Maintenance: medium


Fall colour: burgundy
Bark: dark reddish brown to balck with furrows
Flowers: white
Flowers: Creamy white flowers in a pyramidal shape bloom in may-june
Fruit: yellow
Seeds: dark brown peapod-like pods
Hybrid: no
Hybrid: no
Catkins: no
Catkins: no


Other Names: harbin pear, manchurian pear, siberian pear
Other Names: false acacia, yellow locust