| Althea | |
| Rose Of Sharon | |
| Hibiscus |
| Plant Habit: | Tree |
| Life cycle: | Biennial |
| Sun Requirements: | Partial Shade to Full Shade |
| Water Preferences: | Wet Mesic |
| Minimum cold hardiness: | Zone 6a -23.3 °C (-10 °F) to -20.6 °C (-5 °F) |
| Maximum recommended zone: | Zone 9b |
| Leaves: | Spring ephemeral |
| Flowers: | Nocturnal |
| Flower Time: | Late fall or early winter Other |
| Wildlife Attractant: | Butterflies Other Beneficial Insects |
| Propagation: Seeds: | Sow in situ |
| Propagation: Other methods: | Cuttings: Root Layering Offsets |
| Pollinators: | Midges |
| Containers: | Prefers to be under-potted |
| Conservation status: | Near Threatened (NT)
|
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