Hibiscus moscheutos - Swamp Rose Mallow - Photo courtesy of Sean James Consulting & Design

Swamp Rose Mallow

Hibiscus moscheutos

Also called Common Rose Mallow

  • Other common names: Wild Cotton, Mallow Rose, Crimson-eyed Rose Mallow
  • Flowers can be white, pink or red with occasional bicolours
  • Heart-shaped three- to five-lobed bright green leaves with hairy undersides up to 20 cm in length
  • Sturdy woody perennial
  • Bloom Time: July to August
  • Flower Size: 20 cm

ZONE:
4

COLOUR:
Multi-coloured

HEIGHT:
130-160 cm

SPREAD:
100-150 cm

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Growing and Maintenance Tips:


Hibiscus moscheutos grow best in a moist to average soil, in full sun, and are not tolerant of lengthy dry conditions. In the fall, prune branches back to about 30 cm, and once the eyes appear in the spring, remove any dead stalks. Hibiscus are late to break dormancy in the spring; usually late May in southern Ontario. Tall sturdy stems rarely need support, once established in the landscape. 

Additional Notes about Swamp Rose Mallow:


Native to Ontario