| Description | A tall tender shrubby perennial, common in the south not so in the north. |
|---|---|
| Pronunciation | (roo-EL-ee-a)(brih-to-nee-AY-na) |
| Plant Type | All Plants, Perennial Tender |
| Hardiness Zone | 7 |
| Sunlight | full |
| Moisture | average, moist |
| Soil & Site | average, well drained |
| Flowers | petunia-like five lobed, tubular, form in upper leaf axis, blooms best during the cooler time of the day, flowers may not open or just wilt in heat (#51),flower most abundantly in really hot weather (#109)???, have a spiral bud, flowers late in the season in cooler areas, lilac blue, shy bloomer |
| Leaves | deep green, stems dark green to purple, branch from the ground |
| Dimensions | 3-5 feet tall, 3 foot spread |
| Maintenance | will reseed |
| Propagation | seeds |
| Misc Facts | Genus named after Jean de la Ruellia (1474-1537) |
| Notes & Reference | #51-Armitage's Manual of Annuals, Biennials, and Half-Hardy Perennials (Alan Arimitage), #109-Annuals and Tender Perennials for North American Gardens (Wayne Winterroud) |
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