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Robinia × ambigua ‘Purple Robe’ (Purple Robe Locust)

Robinia × ambigua ‘Purple Robe’
Purple Robe Locust

A striking and fast-growing deciduous tree, Robinia × ambigua ‘Purple Robe,’ commonly known as Purple Robe Locust, is valued for its vibrant, wisteria-like clusters of fragrant, deep pink to purple flowers in late spring. Its feathery, bright green foliage provides dappled shade, and its drought tolerance makes it well-suited for tough landscapes, including urban plantings and dry climates.

Plant Type Tree
Exposure Full Sun
Water Needs Low
Hardiness Zone Zone 4 (-30° F)
Flower Color Purple, Pink
Flower Season Spring
Growth Rate Fast, Moderate
Height 30-50 ft
Spread 20-30 ft
Spacing 25 ft
Characteristics Showy
Attracts Bees, Butterflies, Hummingbirds
Maintenance Low
Garden Uses Specimen
Tolerance Clay Soil, Cold, Deer, Drought, Dry Soil, Frost, Heat, Rabbit, Rocky Soil, Salt
Soil Type Clay, Loam, Sand
Soil PH Alkaline, Neutral
Soil Drainage Well-Drained
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This catalog is for reference purposes. Plants may not be available at all times in the nursery. Please check with our store for current availability.