Clammy Locust, Hartweg's locust

Robinia viscosa

Physical Characteristics

Robinia viscosa is a deciduous Tree growing to 13 m (42ft 8in) at a medium rate. See above for USDA hardiness. It is hardy to UK zone 3. It is in flower from May to June. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. It can fix Nitrogen. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry or moist soil and can tolerate drought. It can tolerate atmospheric pollution.

Distribution

South-eastern N. America - Pennsylvania to Alabama.

Habitats

Woodland Garden Canopy; Secondary;

Edible Uses

None known

Medicinal Uses

None known

Known Hazards

None known