Clammy locust (Robinia viscosa)

Clammy locust

Also known as: Highlands locust

Robinia viscosa, commonly known in its native territory as clammy locust, is a medium-sized deciduous tree native to the southeastern United States.

Scientific classification

Species

Clammy locust (Robinia viscosa)

Legumes, milkworts and allies

Instantly identify plants with a snap

Snap a photo for instant plant ID, gaining quick insights on disease prevention, treatment, toxicity, care, uses, and symbolism, etc.

Download the App for Free

Toxic to Pets

Toxicity

Tree, Shrub

Plant Type

Deciduous

Leaf type

0 - 38 ℃

Ideal Temperature

Images of Clammy locust

Care Guide for Clammy locust

Every 3 weeks

Water

Full sun

Sunlight

0 - 38 ℃

Ideal Temperature

Water: Clammy locust is drought-resistant but vulnerable to root rot from overwatering. Initially, water daily post-transplant, then monthly. Water during flowering in late spring/summer, and only once before winter. Adjust frequency based on weather, ensuring good drainage in rainy seasons.

Fertilize: Clammy locust requires ample nutrients due to its rapid growth. Fertilize small trees every 15-20 days with tree plant food, focusing on nitrogen during early growth and adding phosphorus later. A balanced NPK fertilizer is effective, and organic fertilizer should be applied before winter for future growth.

Pruning: To straighten the trunk of clammy locust, prune lateral branches in winter or spring and remove 1/3 of upward branches until reaching 5-6m. For canopy shaping, summer pruning is ideal; shorten long branches, thin dense ones, and remove diseased/dry branches without cutting at the base.

Propagation: Clammy locust propagation can be done via cutting in spring using one-year-old branches, ensuring at least 2 buds and 3-5 leaves per cutting. After soaking in rooting powder, keep them warm and moist. Seed propagation is challenging due to thick seed coats requiring treatment for germination.

Get tips and tricks for your plants.

Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.

Download the App for Free

Learn More About Clammy locust

How to Transplant

Benefit

How to Grow and Care

Plant disease auto-diagnose & prevention

AI-powered plant doctor helps you diagnose plant problems in seconds.

Download the App for Free