Hypericum patulum is a compact, deciduous shrub from the Hypericaceae family of plants. It is also called the Golden Cup St. John’s Wort, Spreading St. John’s Wort, or Yellow Mosqueta. Hypericum patulum is native to China but has naturalized in many other countries. It usually grows in dry and open habitats. It grows to 1.5m or 5ft but can be used in borders. It is semi-evergreen.
Hypericum patulum stems are reddish. It has lance-shaped, dark green leaves. The flowers are rose-like, 5-petaled, and cup-shaped with a large number of prominent stamens. It produces bright yellow flowers from summer into autumn. It flowers on new growth. They are slightly fragrant. Hypericum patulum is cultivated under Hypericum ‘Hidcote’ name.
How to grow Hypericum patulum or Golden Cup St. John’s Wort
Grow Hypericum patulum in the sun or partial shade. Plant it in moist, average, well-drained soil. It adapts to most types of soil. It dies down to the ground in cold climates, during winter. Propagate it through cuttings. It is drought tolerant. Watch out for rot or wilt in humid areas.
Other synonyms for Hypericum patulum include: