Royal Catchfly (Silene regia)

Royal Catchfly (Silene regia)

Royal Catchfly is one of the most striking native wildflowers of the tallgrass prairie. In midsummer, tall stems are crowned with brilliant scarlet-red flowers that seem to glow against the surrounding greenery. The color is almost impossible to ignore and remains vibrant even from a distance, making this a natural focal point in sunny gardens and prairie plantings. The flowers are held well above the foliage, giving the plant an airy appearance despite its strong upright form.

Once widespread throughout Midwestern prairies, Royal Catchfly has become increasingly rare as native grasslands have disappeared. In the garden, it combines exceptional beauty with ecological importance, thriving in sunny locations with well-drained soil. Its vivid blooms bring a burst of color during the heat of summer when many spring flowers have faded and late-season plants are still preparing to bloom.

Growing Conditions
Light: Full sun
Soil: Medium to dry; prefers well-drained soils
Height: 3–5 feet
Spread: 1–2 feet
Zones: 3–8
Bloom time: July through August

Wildlife Value
Royal Catchfly is especially valued for its relationship with hummingbirds, which are drawn to its bright red tubular flowers and are among its primary pollinators. Butterflies, including swallowtails, also frequently visit the blooms for nectar. Because relatively few native prairie flowers offer such a vivid red color, Royal Catchfly fills a unique ecological niche and provides an important midsummer nectar source.

Blooms Alongside: dense blazing star (Liatris spicata), wild bergamot (Monarda fistulosa), rattlesnake master (Eryngium yuccifolium)