Royal Catch Fly

Silene regia
Royal Catchfly (silene regia)
Royal Catchfly (silene regia)
Plant TypeFlowering Perennials
Sun ExposureFull Sun (6+ Hrs), Part Sun / Shade (3-6 Hrs)
HeightShort (1-3')
MoistureDry, Medium
Bloom MonthsMay, June, July
Moisture NeedsNormal
Season of InterestSummer (Jun-Aug)
Ecological SignificanceNative Bee Friendly, Butterfly Friendly, Bird Friendly, Hummingbird Friendly

Description

Royal Catchfly is a dazzling native wildflower that commands attention with its vivid scarlet-red, star-shaped blooms held on tall, sturdy stems. The brilliant flowers, each with five slender petals, open gradually along the stem through mid to late summer, creating a long-lasting display of color in sunny meadows and prairies. The sticky upper stems—an adaptation to deter crawling insects—give rise to the name “catchfly.” Its bold form and radiant color bring a touch of drama to naturalistic landscapes, especially when set against the golden tones of late-summer grasses and wildflowers.

Ecological Value

Silene regia is a hummingbird favorite, serving as one of the best native nectar sources for Ruby-throated Hummingbirds during summer. It also attracts butterflies and long-tongued bees, which can access its tubular flowers. The plant’s sticky stems help ensure successful pollination by discouraging nectar thieves that might otherwise damage the blooms. Though not a host species, Royal Catchfly plays a vital role in supporting pollinators during the height of summer when energy demands are greatest. Its deep root system stabilizes soil and helps the plant endure drought, making it both beautiful and ecologically resilient.

Ideal Growing Conditions

Royal Catchfly thrives in full sun and dry to medium, well-drained soils, preferring sandy or gravelly loams typical of upland prairies. It naturally occurs in open fields, glades, and prairie remnants. Once established, it is drought-tolerant and well adapted to hot, dry conditions. It performs best in lean soils with good drainage and minimal competition from aggressive species. The plant forms a long-lived taproot and should be planted in a permanent spot where it can mature undisturbed.

Landscape Uses

Ideal for prairie gardens, pollinator plantings, and sunny borders, Royal Catchfly adds bold color and vertical structure to native landscapes. It pairs beautifully with Butterfly Weed, Purple Prairie Clover, and Little Bluestem for a striking midsummer prairie composition. The vivid red blooms contrast dramatically with golden and purple wildflowers, attracting hummingbirds and enlivening the garden with movement and sound. Hardy, drought-tolerant, and ecologically rich, Royal Catchfly is a rare native gem that brings brilliance and life to every sunny prairie planting.

Royal Catch Fly Native Range

Map Color Key

Species present in state and nativeSpecies present and not rare
Species not present in stateSpecies present and rare

Kartesz, J.T., The Biota of North America Program (BONAP). 2015. North American Plant Atlas. (http://bonap.net/napa). Chapel Hill, N.C. [maps generated from Kartesz, J.T. 2015. Floristic Synthesis of North America, Version 1.0. Biota of North America Program (BONAP). (in press)].

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