Rhamnus cathartica
Common Buckthorn, European Buckthorn
Rhamnaceae
ExpandHabitat
- native to Europe and parts of Asia
- naturalized widely in the eastern half of the United States
- hardy to zone 3
- Special Note: This species has demonstrated an invasive tendency in Connecticut, meaning it may escape from cultivation and naturalize in minimally managed areas. For more information, .
Habit and Form
- a large deciduous shrub
- rounded crown
- suckers
- 18' to 25' tall
- width is usually equal or slightly less
- medium texture
- fast growth rate
Summer Foliage
- subopposite leaf arrangement
- simple, elliptic leaves
- 1.5" to 3" long
- subcordate leaf base
- serrated leaf margin
- dark green leaf color
Autumn Foliage
- yellowish-green leaf color
- not impressive
Flowers
- dioecious
- small, green flowers
- blooms in May
- not showy
Fruit
- berry-like drupe
- black and glossy color
- 0.25" in diameter
- fruit covers branches
- can be showy
- birds enjoy fruit
- poisonous
Bark
- color is light brown
- slender stems
- scaley
Culture
- full sun
- easy to transplant
- tolerant of most conditions
- prune tolerant
Landscape Use
- screen
- hedge
- for fruiting effect
- to attract wildlife
Liabilities
- weedy appearance
- invasive in some areas
- leaf spot
- powdery mildew
- aphids, scales and rusts
ID Features
- jet, black fruit along stems
- subopposite leaf arrangement
- small imbricate, appressed buds
- terminal bud modified into a spine
Propagation
- by seed
Cultivars/Varieties
- none