The mallows are Illinois' native hibiscus species. This plant grows well in moist soils, and if pruned when young can take on a bushy form. It produces large, lush pink blooms during the heat of the summer.
Pollinator Type
Bees, wasps, caterpillars, hummingbirds
Plant Type
Herbaceous perennial
Zone
5 to 9
Height
3 to 7 ft.
Spread
2 to 4 ft.
Light
Partial Shade, Full Sun
Moisture Requirement
Medium Soil, Wet Soil
Bloom Color
White, Pink, Red
Bloom Time
July, August, September
Design Considerations
To promote a bushy form, pinch back while plant is still under 1 foot tall. Great for wetter areas and for the wettest part of rain gardens. Great along aquatic areas.
Care and Maintenance
Flowers will be most vibrant in full sun. Needs consistent moisture. Upright stalks can be left for winter interest and pollinator habitat.
Pest and Diseases
Japanese beetles eat the foliage. Needs good air circulation to prevent fungal disease.
Establishment and Propagation
Start from seed in spring after 60 days of cold, moist stratification or transplant in spring or fall.
Commercial Availability
Rarely available.
Alternative Plant Selections
Halberd-Leaved Rose Mallow
Native Status
Illinois native statewide, rare in northern and central Illinois.
Fall Color
Insignificant
Growth habit
A shrub-like herbaceous plant.
Number of Caterpillars that Use this as a Host Plant