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Plant Search > Black Locust

Black Locust (Robinia pseudoacacia)

About Black Locust

Black Locust is a Tree. Trees are woody perennial plants, usually with a single trunk, relatively tall

Plant Names (Nomenclature)

Common Plant Name Black Locust
Scientific Plant Name Robinia pseudoacacia
Other Common Names
Other Scientific Names
Common Family Name Bean
Scientific Family Name Fabaceae


Native Status Kansas Introduction Native Species: Native to the United States, Introduced to Kansas

Growth Characteristics

Growth Habit/Form Tree Trees are woody perennial plants, usually with a single trunk, relatively tall
Life Span Woody Woody plants have woody stems that grow more than a year.
Maximum Height 36.0 feet height in feet
Maximum Spread 30.0 feet width in feet
Flower Color White, colors of the flowers
Flowering Season April - May typical months to expect blooms
Reproduction Vegetative methods of reproduction

Growth Requirements

Sun Exposure Full Sun Part Sun Full Sun: direct sun 8 or more hours of the day
Part Sun: direct sun 4 to 8 hours of the day; about half a day of sun
Shade: direct sun 0 to 4 hours of the day
Soil Moisture Moist to Dry Wet: Soil is soggy or marshy
Moist: Soil tends to stay moist and rarely dries out
Medium: Average soil moisture, little or now slope
Drained: Soil is well drained, never soggy; medium slope
Dry: Soil is dry, often typical of rocky soil; steep slope


Images of the plants' flowers, fruits, seeds, leaves, and stems are shown as all are useful in identifying plants.

Black Locust (Robinia pseudoacacia)Black Locust (Robinia pseudoacacia)Black Locust (Robinia pseudoacacia)