Robinia pseudacacia

Names

Common Names

Black Locust, False Acacia, Locust, Locust Tree, Robinia

Growth

Height

360-600 inches

Spread

39.5-59 feet

Growth Rate

Fast growth, rapid juvenile height growth about 1–1.2 m per year (also 2–6 cm per day in juveniles), radial growth about 1.31 mm per year

Appearance

Bloom Color

White

Foliage Color

Dark green on the upper surface with a pale underside.

Fall Foliage Color

Yellow

Environment

Hardiness Zones

Zones 4a-8b

Sunlight Requirements

Ideally full sun and partial shade.

Soil Type

Ideal soil: rich, moist limestone-derived loamy soils; also tolerates chalk, clay, loam and sand.

Soil Drainage

Well-drained, moist soil.

Soil pH

4.6-8.2 Wide tolerance; no single ideal soil pH; soil pH showed no relationship to growth

Lifecycle

Lifecycle

Perennial

Leaf Lifecycle

Deciduous

Seasons of Interest

Winter, Spring, Summer, and Fall.

Bloom Time

Spring

Reproduction

Propagation Methods

Seeds (primary method), cuttings, layering, grafting/budding, and suckers.

Wildlife

Attracts Wildlife

Black locust attracts bees, hummingbirds, butterflies, other pollinators, and birds.

References

• Black locust | (Robinia pseudoacacia) | Wisconsin DNR
• Robinia pseudoacacia | Landscape Plants | Oregon State University
• Robinia pseudoacacia (Black Locust, Common Locust, False Acacia, Green Locust, Pea Flower Locust, White Locust, Yellow Locust) | North Carolina Extension Gardener Plant Toolbox
• Louisiana Plant ID | Robinia pseudoacacia (black locust)
• Vascular Plants of North Carolina
• Black Locust | Robinia pseudoacacia | False Acacia
• Robinia Pseudoacacia Standard Common Robinia False Acacia
• Robinia pseudoacacia (ROBPS)[Overview]| EPPO Global Database
• Robinia pseudoacacia | false acacia Trees/RHS
• Robinia pseudoacacia | Black locust, False Acacia - Van den Berk Nurseries
• Robinia pseudoacacia (Black Locust): Minnesota Wildflowers
• Robinia pseudoacacia | Black locust, False Acacia - Van den Berk Viviros
• Black Locust (Robinia pseudoacacia) - Mississippi National River & Recreation Area (U.S. National Park Service)
• Robinia pseudoacacia | Black locust, False Acacia - Van den Berk Nurseries
• Robinia pseudoacacia
• Робиния лжеакация - особенности роста и цветения
• Black Locust (Robinia pseudoacacia L.) Short-Rotation Energy Crops in Hungary: A Review
• False Acacia - Robinia pseudoacacia | North Carolina Extension Gardener Plant Toolbox
• World Plants
• Plant Finder
• Robinia pseudoacacia / Species Page / Plant Atlas
• Black Locust (Robinia pseudoacacia)
• Robinia pseudoacacia • New Zealand Plant Conservation Network
• Robinia pseudoacacia (Black Locust, Common Locust, False Acacia, Green Locust, Pea Flower Locust, White Locust, Yellow Locust) | North Carolina Extension Gardener Plant Toolbox
• Black locust, Robinia pseudoacacia | 🌱✌️ Permapeople
• Robinia pseudoacacia | Landscape Plant Propagation Information | Plant Information Databases | Environmental Horticulture Department | College of Agricultural and Life Sciences | UF/IFAS
• How To Grow Robinia pseudoacacia | EarthOne
• How to Propagate Black Locust Tree the Right Way | Live to Plant
• Robinia pseudoacacia/ False Acacia or Black Locust Bonsai – Bonsai4Me
• White Locust - Robinia pseudoacacia | North Carolina Extension Gardener Plant Toolbox
• Black Locust (Robinia pseudoacacia)-Hort Answers - University of Illinois Extension
• Robinia pseudoacacia L
• Black locusts (Robinia pseudoacacia)