PINK-FLOWERING LOCUST
Robinia × ambigua
FAMILY Fabaceae
SYNONYMS
ADDITIONAL COMMON NAMES
See: all Robinia
Loading...
by M. Ritter
GENERAL INFO
Has pale pink flowers. Not often planted. The bark, leaf and seeds are known to be poisonous if ingested.
Native range: Eastern and Central United States
Native range: Eastern and Central United States
TREE CHARACTERISTICS
Tree Shape: RoundedFoliage Type: DeciduousMaximum Tree Height: 50 feetCanopy Width: 20 feetGrowth Rate: ~36 in/yearLeaf Arrangement and Leaf Form: Alternate, Pinnately CompoundLeaf Shape: OblongLeaf color: GreenFall Color: YesFlowers: ShowyFlower Color: White or PinkFlower Type: Has male and female reproductive parts in each flower (perfect)Flower Time: Spring or SummerFruit: Large Brown LegumeFruiting time: Fall or SummerBark Color: Light Green, Furrowed, RidgedLitter Type: Dry Fruit, Twigs
SITE CONDITIONS
Recommended Planting Area: Greater than 7'Water Use Rating: HighSunset Climate Zone: 2 - 24Shade Tolerance: NoSoil Texture: Loam or Sand or ClaySoil pH: Very Acidic to Very AlkalineSalt Tolerance: Moderate
CONSIDERATIONS
Branch Strength: Medium WeakRoot Damage Potential: HighPotential health issues: PoisonousWildlife interactions: Attracts birdsDisease and Pest susceptibility: Fusarium, Armillaria, Root Rot and AphidsUtility Friendly: No
CITE THIS TREE
"SelecTree. UFEI. "Robinia × ambigua Tree Record." 1995-2025. Cal
Poly State University, San Luis Obispo. Accessed on Jun 8, 2025."
< https://selectree.calpoly.edu/tree-detail/1491 >
< https://selectree.calpoly.edu/tree-detail/1491 >
Trees can be searched by their common or scientific name.
No warranties or guarantees as to the accuracy of the data and information derived from this web site are expressed or implied. The California Polytechnic State University and the Cal Poly Corporation shall not be responsible for any loss of profit, indirect, incidental, special, or consequential damages arising out of the use of the data and information derived from this web site.