Clammy Locust (Robinia Viscosa) is a perennial tree in the Fabaceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 5-9. This plant is toxic to cats and dogs — keep it out of reach of pets.

Robinia viscosa, commonly known as clammy locust, is a deciduous tree native to the southeastern United States, recognized for its sticky, glandular twigs and bright pink flowers.

Clammy Locust

Clammy Locust

Robinia Viscosa

Robinia viscosa, commonly known as clammy locust, is a deciduous tree native to the southeastern United States, recognized for its sticky, glandular twigs and bright pink flowers.

Quick Facts

Type
tree
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
5-9

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, sandy, clay
Indoor:No
Outdoor:Yes
Garden Use:specimen, nitrogen fixer, ornamental

Care Calendar

Monthly care tasks for Clammy Locust

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Clammy Locust
Clammy Locust detail

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Taxonomy

Family:Fabaceae
Genus:Robinia