Black Locust
- Botanical Name
- Robinia pseudoacacia
- Min Zone
- 4
- Max Zone
- 8
- Height
- 30 to 50 feet
- Width
- 20 to 35 feet
- Flowers
- Spring: white, pendulous, sweetly fragrant
- Fruit
- Flat pod
- Fall Color
- Yellow-green
- Light
- Full sun
- Soil
- Moist, alkaline
- Planting & Care
- Tolerates intermittent flooding and drought
- Salt tolerant
- Transplants easily
- Prune in late summer to avoid bleeding
- Problems
- Locust borer, canker, insects, invasive nature
- Varieties
- Bessoniana - thornless, 30 by 20 feet
- Tortuosa - 10 feet, twisted branches and stems, few flowers
- Purple Robe - rose-pink flowers, 40 feet
Related Content
Article
Categories
Upcoming Appearances
May 12, 2021
Top Plants for Rain Gardens, Water Gardens & Shoreline Gardens
+ Those to Avoid
Webinar
May 13, 2021
Planting Your Rain Garden
Webinar
May 16, 2021
Perennials for Challenging
Growing Conditions
Webinar
May 21-23, 2021
NARI Milwaukee Spring Home Improvement Show
In-person Appearance
June 3, 2021
Creative Container Gardening
Webinar
June 9, 2021
Sustainable Lawn & Landscape Care
Webinar
Register today! Plus, watch Melinda's past webinars ON DEMAND
for a limited time.
Learn More
Book an Appearance
Win Plantskydd Animal Repellent package
