Scarlet Rose Mallow

Name: Muenchhusia coccinea
Color: Red
Sections: 4

Muenchhusia coccinea (Scarlet Rosemallow) is a tall, striking perennial native to wetlands and coastal marshes of the southeastern United States. It features deeply lobed leaves and large, 5-petaled, star-shaped crimson flowers—blooming from mid-summer into early autumn—that draw hummingbirds, bees, and butterflies.

Grow Guide

  • Light: Full Sun
  • Hardiness: USDA Zones 5–9
  • Size: 6–8 feet tall with a spread of 2–3 feet
  • Watering: High. Prefers consistently moist-to-wet, boggy, or marshy soils; highly tolerant of standing water.
  • Best Use: Ideal for rain gardens, pond or stream edges, low-lying wet areas, and back-of-border accent planting where its vibrant red blooms create a bold tropical effect.