Patrinia gibbosa, commonly known as Swollen Patrinia, is a clumping perennial herb native to meadows and forest margins in northern Japan and the Kuril Islands. It is smaller than its relative, Patrinia scabiosifolia, and is valued for its low maintenance and naturalistic appeal in garden settings. Swollen Patrinia typically grows to a modest height of 12-18 inches (30-45 centimeters) and spreads to about the same width. It features loose clusters of small, yellow flowers that bloom in late summer to early fall, providing a late-season nectar source for pollinators.

The plant is appreciated for its airy flower clusters that add a light, textural contrast to garden compositions. It is often used in borders, cottage gardens, and as part of naturalistic plantings. Swollen Patrinia thrives in full sun to part shade and prefers well-drained soil, though it is adaptable to various soil types. It is relatively drought-tolerant once established, making it suitable for xeriscaping. While not commonly found in cultivation, it can be a unique addition to a garden for those interested in less common perennials. Potential problems include slugs and snails, which may be attracted to the foliage, especially in damp conditions.CC BY-SA 4.0