Purple Robe

PURPLE ROBE

BOTANICAL NAME

Robinia pseudoacacia

COMMON NAME

Purple Robe Locust

The Purple Robe Locust is a fast-growing, deciduous flowering tree. Produces spectacular late-spring to early-summer clusters of fragrant, pea-like flowers in deep pink to purple-magenta. It has pinnate compound leaves that emerge bronze-red in spring, mature to green, and turn yellow in fall

Description

USES

  • Shade and Ornamental tree
  • Attracts bees, butterflies, and hummingbirds

HARDINESS ZONES

  • USDA Hardiness Zones 4 – 8
  • Can tolerate low temperatures of about about -30°F
  • Heat tolerant but prefers cooler summer nights for best flowering

ROOT SYSTEM

  • Aggressive – Can send up shoots and spread if not controlled
  • Strong anchorage that may lift sidewalks and structures

MEASUREMENT & SIZES

  • Can grow 30 to 50 ft tall and 20 to 35 ft wide

WATER NEEDS

  • Low to moderate
  • Very drought tolerant once established
  • Overwatering can cause root issues

LIGHT NEEDS

  • Full sun for best flowering and growth
  • Can tolerate light shade, but fewer blooms

PRUNNING

  • Prune after flowering to maintain shape and remove crossing branches
  • Remove suckers regularly to prevent spread

GROWTH RATE

  • Fast – Can grow 2 to 3 ft per year in favorable conditions

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