REPORT

Invasive Plant Details

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English Holly

Latin Name: Ilex aquifolium

Priority Ranking: High Priority

Identification

Flower: Small, white, and inconspicuous flowers, blooming in late spring.

Leaves: Glossy, dark green, leathery leaves with spiny margins.

Stems: Woody, branching, and evergreen, growing as either a large shrub or small tree up to 10 meters tall.

Growing Environment: Prefers moist, well-drained soils in woodlands, gardens, and hedges.

Growth Habit: A large, woody evergreen shrub or small tree that spreads via seed and vegetative growth. It forms dense thickets that can outcompete native vegetation. In situ, English holly often appears as a dense, glossy-leaved shrub or tree, particularly in shady woodlands.

Priority Ranking: High Priority

Impacts on Environment

Impacts: Highly invasive, particularly in pacific northwest forests, where it forms dense thickets.

Toxicity: Berries are toxic if ingested.