General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Minimum cold hardiness: Zone 9a -6.7 °C (20 °F) to -3.9 °C (25 °F)
Maximum recommended zone: Zone 11
Plant Height: 8-12 feet
Plant Spread: 4-6 feet
Leaves: Good fall color
Flowers: Showy
Flower Color: Purple
Flower Time: Late summer or early fall
Late fall or early winter
Uses: Will Naturalize
Edible Parts: Leaves
Wildlife Attractant: Bees
Propagation: Seeds: Sow in situ
Propagation: Other methods: Cuttings: Stem
Cuttings: Tip
Cuttings: Cane
Containers: Suitable in 3 gallon or larger

Common names
  • Monarch Rosemallow
  • October Rose
  • Ruby Hibiscus
  • Hibiscus

Monarch Rosemallow (Hibiscus radiatus) was a featured
Plant of the Day for October 19, 2015.
Plant Events from our members
Horntoad On October 11, 2015 Bloomed
Horntoad On May 8, 2015 Seeds germinated
Horntoad On May 4, 2015 Seeds sown
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