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Locust

Robinia

Also called Locust Trees, Locusts

Locust
Photo: Pollinator at English Wikipedia, CC BY-SA 3.0

Robinia is a genus of deciduous trees and shrubs in the pea family, native to North America, with commonly grown members such as black locust (Robinia pseudoacacia) and clammy locust (Robinia viscosa). They have pinnate leaves and fragrant white or pink hanging flower clusters, and are valued for fast growth and tolerance of poor soils.

Family
Fabaceae (Pea & bean family)
Grows as
Tree
Light
Full sun
Water
Water young trees regularly until established, then they need little supplemental water.
Soil
Well-drained soil, tolerates poor, dry and sandy ground.
Temperature
Hardy to about -30 °C; tolerates heat well.
How easy
Easy
Safety
Toxic: All parts except the flowers contain toxic lectins, including bark, leaves, seeds and roots; ingestion can cause nausea, vomiting and diarrhoea.. Toxic to cats and dogs (ASPCA).

About

Robinia is a genus of flowering plants in the family Fabaceae, tribe Robinieae, native to North America. Commonly known as locusts, they are deciduous trees and shrubs growing 4–25 metres (13–82 ft) tall. The leaves are pinnate with 7–21 oval leaflets. The flowers are white or pink, in usually pendulous racemes. Many species have thorny shoots, and several have sticky hairs on the shoots.

The genus is named after the royal French gardeners Jean Robin and his son Vespasien Robin, who introduced the plant to Europe in 1601.

Safety

All species produce toxic lectins, throughout the entire plant, with the exception of the flowers.

The flowers are used in teas and in pancakes, and are consumed as fritters in many parts of Europe.

Other Robinia plants

New Mexico locust · Black Locust

Text excerpted from the Wikipedia article Robinia by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Pet safety from the ASPCA toxic and non-toxic plant lists.

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