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Cornell University

Species: Frangula alnus (formerly Rhamnus frangula)

(ram'nus fran'jue-lah)

Frangula alnus (formerly Rhamnus frangula)

Alder Buckthorn

Found on Course Walks

Native and Invasive Plants

Map of plant locations

(Plant location data may be incomplete)

In Collection(s):

None Listed

Cultivars

'Asplenifolia', 'Columnaris', 'Fine Line'

Ornamental Characteristics

Shrub > 8 feet

12' - 18' (spread 8' - 12')

Deciduous

upright dense hedge

tolerant of poor soil fertility

Environmental Characteristics

Full sun, Part shade

4b

Can tolerate acid to alkaline soil (pH 5.0 to 8.0)

red fruits quickly turn purple or black

Consistently moist, well-drained soil; Occasional periods of dry soil; Prolonged periods of dry soil
See graphic below

Insect Disease

No diseases listed

Bare Root Transplanting


Other

can become weedy as birds begin to spread seeds; is naturalized throughout eastern United States; prohibited in Canada because it is an alternative host to oat rust. Native to Europe and Western Asia. Species INVASIVE in Northeast US

Moisture Tolerance Graphic

Please view this page on a tablet or larger screen for the moisture graph

Moisture Tolerance

Moisture graphic
Occasionally saturated or very wet soil
Consistently moist, well-drained soil
Occasional periods of dry soil
Prolonged periods of dry soil
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