Alpine Buckthorn (Rhamnus alpina)

Alpine Buckthorn

Rhamnus alpina

Its glossy evergreen leaves hold alpine resilience through harsh winters. Evergreen shrub; common name: Alpine buckthorn.

Partial sun
1–2/week
Moderate
🌱

Plant Needs

☀️
Sunlight Partial to full sun; tolerates light shade in hot low-altitude climates
💧
Watering Water deeply when the top 5 cm of soil is dry; avoid waterlogging to prevent root rot
🌡️
Temperature Hardy to subzero alpine temperatures; avoid prolonged heat above 28°C
🔍

Characteristics

  • Leaf: Glossy, dark green oval leaves with serrated margins; evergreen in mild climates
  • Flower: Small, pale yellow-green, clustered axillary blooms
  • Fruit: Round, black berries ripening in late summer to autumn
🛠️

Care Guide

Watering

Keep soil consistently moist but not waterlogged

Fertilization

Diluted balanced feed once monthly. Use low-nitrogen feed to promote fruiting and foliage health

Eggshell powder topdress:Sprinkle finely ground eggshells on the soil surface; mix lightly into the top layer to improve soil structure and add calcium
Pruning
  • Remove dead or damaged branches in late winter before new growth emerges
  • Thin dense inner growth to improve airflow and light penetration
  • Shape the shrub in early spring to maintain a compact, rounded form
⚠️

Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; ingestion of berries may cause vomiting, diarrhea, abdominal pain

Humans: Ingestion of large quantities of berries may cause gastrointestinal irritation

📖

Garden Uses & Culture

Culture: N/A

Usage: Ornamental alpine shrub; provides winter foliage cover for small wildlife