Columnaris alder buckthorn
Frangula alnus 'Columnaris'
USDA zones3 to 7
SunHandles full sun to partial sun
WaterHandles moderate or wet soil
Size12 to 15 feet tall3 to 4 feet wide
- Growth rate
- Slow
- Habit
- Erect
- Bloom season
- Spring, summer
- Bloom color
- Whitish green
- Soil types
- Sand, loam, clay
Garden uses
Attracts
Notes
'Columnaris' alder buckthorn (Frangula alnus 'Columnaris') is a shrub for borders and hedges. It is hardy to USDA zone 3, or down to -40°F (-40°C). This plant likes full or part sun and average to wet, sandy, loamy, or clay soil. It grows slowly into a tall, narrow, erect form, reaching 144 to 180 inches high and only 36 to 48 inches wide. Whitish green flowers open in spring and again in summer, and they attract butterflies and bees.
Pairs well with Scentara Double Blue lilac, Sensitive fern, Compass plant, and Coyote willow.