| Description | A perennial with flowers that look like an Ageratum. Can be aggressive spreading by rhizomes |
|---|---|
| Pronunciation | (yew-pa-TOR-ee-um)(sow-les-TEN-um) |
| Plant Type | All Plants, Perennial Tender |
| Hardiness Zone | (5)6-10 |
| Sunlight | full, mostly sunny |
| Moisture | average, moist |
| Soil & Site | average |
| Flowers | blue, ageratum like, blooms mid to end of May, dense clusters |
| Stems | rhizoms |
| Propagation | seeds need cold moist stratification, easy by division |
| Misc Facts | (syn Conoclinium coelestinum) |
| Notes & Reference | #04-Herbaceous Perennial Plants (Allan Armitage) |
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