Goldencup St. Johnswort

(Hypericum patulum)

Goldencup St. Johnswort (Hypericum patulum)

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Estimated Native Range
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Summary

Hypericum patulum, commonly known as Goldencup St. Johnswort, is an evergreen shrub native to open woodlands and forest edges in East and Southeast Asia. It typically grows between 0.3 to 1.5 meters tall and has a bushy habit with spreading branches that can be weakly frondose. This shrub is known for its large, bright yellow flowers that bloom in the summer and are quite showy, attracting pollinators such as bees and small birds. The foliage is a glossy, dark green that provides year-round interest.

Goldencup St. Johnswort is valued for its ornamental flowers, which can brighten up garden borders, and its ability to attract beneficial wildlife. It is also used as a ground cover or in rock gardens due to its spreading habit. This plant prefers full sun but can tolerate part shade, and it requires medium amounts of water. It is adaptable to a variety of soil types, provided they have good drainage. While generally low-maintenance, it can be susceptible to root rot if overwatered or planted in poorly drained soils. It is not known to be invasive and does not typically present significant problems with diseases or pests.CC BY-SA 4.0

Plant Description

  • Plant Type: Shrub
  • Height: 2-4 feet
  • Width: 2-4 feet
  • Growth Rate: Moderate
  • Flower Color: Yellow
  • Flowering Season: Summer
  • Leaf Retention: Evergreen

Growth Requirements

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

Common Uses

Bank Stabilization, Bee Garden, Bird Garden, Butterfly Garden, Deer Resistant, Groundcover, Hedges, Low Maintenance, Salt Tolerant, Showy Flowers, Street Planting

Natural Habitat

Open woodlands and forest edges

Other Names

Common Names: Yellow Mosqueta, 망종화

Scientific Names: , Hypericum patulum, Norysca patula, Hypericum argyi, Hypericum nepalense, Komana patula, Eremanthe patula, Hypericum gumbletoni, Hypericum oblongifolium, Hypericum oblongigolium

GBIF Accepted Name: Hypericum patulum Thunb.