Frangula alnus · Rhamnaceae

Alder Buckthorn

⚠️ Not safe for petsDeciduous, with leaves falling in winter.100 to 200 cm

LightSemi-shade

WaterRegular watering, slightly moist soil.

DifficultyMedium

ColdTolerant to prolonged negative temperatures.

Semi-shadeRegular watering, slightly moist soil.MediumTolerant to prolonged negative temperatures.

Description & origin

Alder Buckthorn is a deciduous shrub that can reach up to 2 meters in domestic cultivation. Its leaves are green and glossy, and it produces small red fruits that mature to black. It is a cold-resistant plant, ideal for gardens in temperate climates.

Size

Can reach up to 2 meters in height and 1.5 meters in width.

Foliage

Deciduous foliage, loses leaves in winter.

Flowering

This species does not produce flowers in domestic cultivation.

Detailed care

Light

Prefers semi-shade locations but tolerates some direct sunlight.

Soil

Adapts to well-drained soils rich in organic matter.

Watering

Requires regular watering, keeping the soil slightly moist.

Temperature

Withstands negative temperatures well, ideal for temperate climates.

Fertilising

Fertilize in spring with a balanced fertilizer to promote growth.

Repotting

Transplant in spring or autumn, avoiding extreme heat periods.

Pruning

Can be pruned in late winter to maintain the desired shape.

Propagation

Propagates by seeds or semi-hardwood cuttings in summer.

Common problems

Powdery Mildew

Fungus causing white spots on leaves. Treat with appropriate fungicide.

Aphids

Insects that suck sap from leaves. Control with natural insecticide.

Root Rot

Caused by excess water. Improve soil drainage.

Uses & curiosities

In the garden

Attracts birds
Hedge
Ornamental shrub

Other uses

Used in natural habitat restoration projects.

Did you know…

Alder Buckthorn is known for attracting various bird species that feed on its fruits.