| Description | Flower of an Hour (Hibiscus trionum) is an annual plant with a showy flowers and ornamental seed pods. Considered a weed in some areas and a useable garden flower in others |
|---|---|
| Plant Type | Wild Flowers, Site author's observations |
| Sunlight | full |
| Moisture | dry to average |
| Soil & Site | dry to average, waste ground, fields, roadsides, railroads |
| Flowers | white to pale yellow with a purplish brown eye, 5 sepals and 5 petals, last for only a few hours, an annual |
| Fruit | 5 valved, dehiscent capsule, surrounded by a papery inflated calyx, seeds can remain viable for years if not decades, germinate when the soil has warmed up |
| Leaves | alternate and 3-lobed |
| Stems | main stem has numerous branches at the base |
| Roots | fibrous |
| Dimensions | 12 to 18 inches high, sprawling |
| Maintenance | readily reseeds |
| Propagation | seeds |
| Misc Facts | AKA: bladder hibiscus, bladder ketmia, bladder weed, flower-of-the-hour, modesty, puarangi, shoofly, and venice mallow, |
| Author's Notes | I have never grown this as an ornamental but have dealt with it more as weed. |
| Notes & Reference | #168-Missouri Flora web site (www.missouriplants.com), #153-Illinois Wild Flower (www.illinoiswildflowers.info) |
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