Robinia pseudoacacia 'Purple Robe', commonly known as Purple Robe Locust, is a stunning ornamental tree prized for its vibrant reddish-purple spring blooms that resemble pea-like clusters and its feathery green foliage. This medium-sized deciduous tree has a graceful upright growth habit, making it an excellent choice for adding visual interest to landscapes. The tree also offers shade with its soft pinnate leaves and attracts pollinators with its fragrant flowers. Noted for its adaptability, it thrives in various soil types and tolerates drought well.
- Light: Full sun
- Water need: Low to moderate
- Growth rate: Fast
- Mature size (HxW): 30–40 feet x 20–30 feet
- Habit: Upright, rounded
- Bloom/interest: Fragrant reddish-purple flowers in spring
- Hardiness zone: 4–9
- Soil tolerance: Well-drained; tolerates poor or sandy soils
- Drought/heat tolerance: High
