Common Hoptree

(Ptelea trifoliata)

Common Hoptree (Ptelea trifoliata)

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Estimated Native Range
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Summary

Ptelea trifoliata, commonly known as Common Hoptree, Wafer Ash, Stinking Ash, or Skunk Bush, is a deciduous shrub or small tree native to a variety of habitats including open woodlands, rocky hillsides, and along streams and rivers across North America, from Canada through the United States to Mexico. It typically grows 6–8 meters (20–26 feet) tall with a broad crown. The bark is reddish-brown to gray-brown with short horizontal lenticels, becoming slightly scaly over time. The trifoliate leaves are arranged alternately on the stem. The flowers, which bloom in May and June, are small, about 1–2 cm (0.39–0.79 inches) across, with 4–5 narrow, greenish-white petals and are known for their variable scent; some find it unpleasant, while others enjoy its fragrance. The fruit matures in October, persisting into early winter until high winds disperse them.

The Common Hoptree is valued for its adaptability to various light conditions, making it suitable for part shade to full shade locations in the garden. It requires high amounts of water and thrives in soils with fast or medium drainage. This species is often used for naturalizing in native plant gardens, as a border shrub, or for erosion control due to its extensive root system. It is also notable for its resistance to many common pests and diseases. However, gardeners should be aware that the plant’s odor may be considered objectionable by some. Despite this, it offers ecological benefits, such as providing food for the larvae of the Giant Swallowtail butterfly.CC BY-SA 4.0

Plant Description

  • Plant Type: Tree, Shrub
  • Height: 10-20 feet
  • Width: 15-20 feet
  • Growth Rate: Slow
  • Flower Color: N/A
  • Flowering Season: Summer
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Part Shade, Full Shade
  • Water: Medium
  • Drainage: Fast, Medium

Common Uses

Bee Garden, Bird Garden, Butterfly Garden, Deer Resistant, Drought Tolerant, Edible*Disclaimer: Easyscape's listed plant edibility is for informational use. Always verify the safety and proper identification of any plant before consumption., Fragrant, Low Maintenance, Rock Garden, Salt Tolerant, Street Planting, Water Garden

Natural Habitat

Native to a variety of habitats including open woodlands, rocky hillsides, and along streams and rivers

Other Names

Common Names: Hoptree, Wafer Ash, Stinking Ash, Skunk Bush, Dreiblättriger Lederstrauch

Scientific Names: , Ptelea trifoliata, Ptelea trifoliata var. trifoliata, Ptelea isophylla, Ptelea toxicodendron, Ptelea acutifolia, Ptelea obcordata, Ptelea aquilina, Ptelea carolina, Ptelea mesochora

GBIF Accepted Name: Ptelea trifoliata L.