Black locust

Patrick J. Alexander, USDA-NRCS PLANTS Database

Black locust (Robinia pseudoacacia)

Plant Family: Pea or Legume (Fabaceae)

Identification Guide: *Print version pdf
Phenophase Field Guide: *Print version pdf

2009 Live Map - View live map

Did you Know? The wood of black locust is strong, hard, and extremely durable. It is very useful for fencing, mine timbers, and landscaping ties. The tree also serves as a good erosion control plant on critical and highly disturbed areas, due to its ease of establishment, rapid early growth and spread, and soil building abilities. In some regions it is considered invasive.

Phenological Observations of Interest: First Leaf, All Leaves Unfolded, First Flower, Full Flower, End of Flowering, First Ripe Fruit, 50% Color, 50% Leaf Fall


2009 Live Map for Black locust

Below you can view the latest 100 observations that have been reported in 2009 for Black locust (If the map below is empty then there have not been any 2009 observations reported.)

Use the navigation buttons on the left to zoom in/out and pan around. Click on each place marker to get detail information about that observation.

1 = First Leaf
3 = All Leaves Unfolded
5 = First Flower
7 = Full Flower
9 = End of Flowering
11 = First Ripe Fruit
12 = 50% Color
14 = 50% Leaf Fall

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