hop tree

Also known as: shrubby trefoil; stinking ash; swamp devil's bit; wafer ash; water ash; wing seed; swamp dogwood

P. trifoliata is a large, deciduous shrub with dark green, tripartite leaves to 12cm long. Sprays of star-shaped, pale green flowers appear in summer, followed by bunches of flattened, winged seeds up to 2.5cm across. Leaves, flowers and bark are all aromatic

Scientific classification

Species: hop tree (Ptelea trifoliata)
Genus: Ptelea
Family: Rutaceae

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Toxicity: Shrubs
Plant type: 4-8 metres
Height: 2.5-4 metres
Spread: Deciduous
Foliage: Bushy
Habit: Spring · Summer · Autumn
Season of interest: Full sun · Partial shade
Sunlight: Information to be completed
Ideal temperature

hop tree pictures

Distribution of hop tree

Distribution map

USA

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Culture

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Toxicity

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Quick identification of hop tree

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hop tree care guide

Moderate regular watering, allowing brief slight drying between soakings
Watering: Full sun · Partial shade
Sunlight: Information to be completed
Ideal temperature

Watering

Moderate regular watering, allowing brief slight drying between soakings

Fertilizing

Balanced perennial feed every four weeks from spring through summer

Pruning

Little pruning is needed. Remove diseased, damaged, crowded or crossing shoots and unwanted growth. Timing depends on the plant: generally late winter or early spring; plants prone to bleeding and deciduous magnolias need different timing, and deciduous azaleas and lilacs are pruned after flowering.