Alder Buckthorn, Glossy Buckthorn

Sun Exposure: Full sun to part shade

Origin: Eurasia and North Africa

Growth Habits: Deciduous small tree or large shrub, up to 15 feet in height (4.5 m), 6 to 15 feet spread (1.8-4.5 m); dark glossy leaves, 1 to 3 inches long (2.5 to 7.5 cm)

Watering Needs: Prefers well drained soils

Propagation: Seeds, softwood cuttings

Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln, NE.

This plant is considerd an invasive weed in a number of states.
Common cultivars:
- 'Columnaris' (Tallhedge buckthorn): upright, narrow, 12 feet tall (3.6 m), 3 feet wide (90 cm), likes full sun
- 'Asplenifolius' (Fernleaf buckthorn) up to 10 feet tall (3 m), with glossy foliage giving the effect of fern leaves, preference for light shade

Blooming Habits:
Flowers are bisexual, they are followed by red turning black, dark juiced berries, 0.32 inch in diameter (8 mm), slightly toxic, that stains sidewalks.