Alder buckthorn

Rhamnus frangula 'Asplenifolia'

Photo/Illustration: 
Michelle Gervais
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Alder buckthorn (Rhamnus frangula 'Asplenifolia')
RAM-nus FRANG-ew-lah
Genus:  Rhamnus

A bushy, deciduous, slow-growing shrub with finely textured, scalloped leaves, this plant grows to 12 feet tall and almost as wide. 'Asplenifolia' bears clusters of green flowers, followed by round red fruit that ripens to black in the fall. Grow in a shrub border or as hedging. All parts may cause severe discomfort if ingested.

Noteworthy Characteristics: 

Flowers are very attractive to bees. Red fall color. Slow-growing cultivar. Fern-like leaves.

Care: 

Prefers moist soil in full sun or partial shade.

Propagation: 

Sow seed in a cold frame as soon as ripe. Root greenwood cuttings in early summer, or layer in fall or spring.

Problems: 

Scale insects, caterpillars, rust, and Cercospora and Septoria leaf spots.

Overview

Height
10 ft. to 15 ft.
Spread
6 ft. to 10 ft.
Growth Habit
Spreads
Growth Pace
Moderate Grower
Light
Full Sun to Part Shade
Moisture
Medium to Wet
Maintenance
Moderate
Characteristics
Showy Fall Foliage,
Showy Fruit
Bloom Time
Early Summer,
Late Spring,
Spring,
Summer
Flower Color
Greenery
Uses
Beds and Borders
Seasonal Interest
Summer Interest
Type
Shrubs

Rhamnus frangula 'Asplenifolia'