Botanical Name: Robinia pseudoacacia
Common Name: Black Locust
Type of Plant: dicot: tree
Character deciduous
 
Habit of Growth:
Overall Shape large upright oval tree with sparse open branch structure and an aggressive root system – tends to sucker heavily
Height 75'
Spread 30'
Growth Rate rapid
 
Environment:
Exposure outdoors full sun
Soil tolerates any soil
Hardiness hardy (all zones), does best where seasons are distinct
 
Morphology:
Leaves evenly pinnately compound, to 9 pairs elliptic leaflets, soft – medium green on thorny branches
Flowers spring, white, fragrant in hanging clusters
Fruit brown pods to 4" long – persistent
 
Propagation:
seed
 
Usage:
roadside tree, park tree, very large lawn tree – good in difficult soils & situations; frequently too large and aggressive for home landscapes
 
Landscape Care:
Watering very drought tolerant when established
Fertilizing none
Pruning needs thinning to prevent wind damage; remove suckers
Pests/Diseases none
Special Conditions/Other
 
Origin: Eastern United States
Family: Fabaceae

Notes:
 
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