Toxic to Pets
moderate Care
black locust
Robinia pseudoacacia 'Umbraculifera'
Black locust (Robinia pseudoacacia 'Umbraculifera') is an ornamental tree native to North America. It is easy to identify due to its highly attractive fern-like foliage and fragrant white flowers. It grows quickly and can reach heights of up to 25 feet. Its deep roots and hardy structure make it a great choice for windy and wet climates. Unlike many trees, it is not prone to insect infestation or disease. The unique shape of the black locust tree provides excellent shade and shelter. Its wood is also used in furniture, flooring, and fence posts. This breathtaking tree is a must-have for any landscaping project.
Sunlight
Full Sun
Water Needs
low
USDA Hardiness Zones
Zone 3Zone 4Zone 5Zone 6Zone 7Zone 8
Hardiness Map
Green areas show climates worldwide where this plant can grow.
Zone 3Zone 4Zone 5Zone 6Zone 7Zone 8
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Water Every
"7-10" days
Sun Needs
full-sun
Growth
Moderate
Care Level
Moderate
Watering Schedule
Frequency
Day 1"7-10" daysDay NaN
💧 Water every "7-10" days
Seasonal Adjustments
Adjust watering frequency based on temperature, humidity, and season. Water more frequently in summer and less in winter.
Pro Tip: Check soil moisture before watering. Stick your finger 1-2 inches into the soil—if it's dry, it's time to water!
Season
Fall
Sep Oct Nov
Winter
Dec Jan Feb
Spring
Mar Apr May
Summer
Jun Jul Aug
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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Starts Flowering
Starts Flowering
Starts Flowering
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Pruning Time
Flowering
How to Propagate
Cutting
Take 4-6" cuttings in spring, root in water or moist soil
Plant Characteristics
Drought Tolerant
Toxic to Humans
Is This Plant Right for You?
Good For:
- •Forgetful waterers
Consider Carefully:
- •Indoor growing
- •Homes with pets or children
Bloom Seasons
spring
Pet Safety Warning
Toxicity Level
moderateCare Tips
Light Requirements
Needs at least 6 hours of direct sunlight daily. Place in the sunniest spot in your garden.
Watering
Allow soil to dry out between waterings. Overwatering can cause root rot.
Best Planting Time
Plant in early spring or fall for best results. Blooms in spring.