Yellowfruit Horse-Gentian

(Triosteum angustifolium)

Yellowfruit Horse-Gentian (Triosteum angustifolium)

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Estimated Native Range
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Summary

Triosteum angustifolium, commonly known as Yellowfruit Horse-Gentian, is a deciduous perennial herb native to rich, mesic woodlands and forest edges in the Central and Eastern United States. It typically grows to a height of 1-2 feet (0.3-0.6 meters) and a width of about 1 foot (0.3 meters). This plant features opposite leaves and clusters of small, tubular flowers that are greenish-white, blooming in late spring to early summer. The flowers are not particularly showy, but they give way to yellow-orange berries in the fall, which can add interest to the garden.

Yellowfruit Horse-Gentian is valued for its ability to thrive in shaded conditions and for its unique fruit, which can provide a subtle ornamental quality. It is often used in woodland gardens, naturalized areas, or as an understory plant in shaded borders. Gardeners should provide it with part shade and medium water, and plant it in well-drained soil rich in organic matter. While it is not commonly afflicted by serious diseases or pests, it can occasionally suffer from rust or leaf spots.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 1-2 feet
  • Width: 0.5-1 feet
  • Growth Rate: Moderate
  • Flower Color: Green, White
  • Flowering Season: Spring
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Part Shade
  • Water: Medium
  • Drainage: Medium

Common Uses

Bird Garden, Butterfly Garden, Low Maintenance

Natural Habitat

Rich, mesic woodlands and forest edges

Other Names

Common Names: Narrow-Leaved Horse-Gentian , Yellow Horse-Gentian , Yellow-Fruit Horse-Gentian , Yellow-Leaved Tinker’s-Weed , Trioste À Feuilles Étroites

Scientific Names: Triosteum angustifolium , Triosteum angustifolium var. angustifolium , Triosteum angustifolium f. rubrum , Triosteum minus , Triosteum pumilum

GBIF Accepted Name: Triosteum angustifolium L.