Alder-leaf Buckthorn

Rhamnus alnifolia, Rhamnaceae

Zones

2–7

Layer

Shrub

Lifespan

Perennial

Growth

Moderate

Guild Roles

WindbreakNitrogen FixerBeneficial Insect HabitatPest Confuser

Growing Conditions

Sun

Partial Shade (preferred)Full Sun (tolerated)

Water

Moderate (fruiting)High (established)

Soil pH

4.5 – 8

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Red-osier DogwoodCornus stolonifera

Beneficial Insect HabitatWind Protection

Small-leaved OleasterElaeagnus parvifolia

Nitrogen Fixation

Antagonistic Plants

RedoulCoriaria myrtifolia

Coriaria can produce toxic compounds and may compete aggressively for light with buckthorn.

HobblebushViburnum lantanoides

Both understory shrubs compete for similar moist, shaded woodland conditions

Uses

Functions

Low WindbreakWetland StabilizationWildlife CorridorPioneer SpeciesSoil Building

Edible Parts

Fruit

Medicinal Uses

Bark LaxativeDigestive Aid

Common Questions

What zones does Alder-leaf Buckthorn grow in?

Alder-leaf Buckthorn grows in USDA hardiness zones 2 through 7.

Is Alder-leaf Buckthorn a nitrogen fixer?

Yes, Alder-leaf Buckthorn is a nitrogen fixer and can help provide nitrogen to neighboring plants in a guild or polyculture.

What are good companion plants for Alder-leaf Buckthorn?

Good companions for Alder-leaf Buckthorn include Red-osier Dogwood, Small-leaved Oleaster.

Design guilds with Alder-leaf Buckthorn and see companion relationships visually.

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