| Description | 'Siskiyou' Evening Primrose (Oenothera berlandieri) is a rapidly growing, spreading plant that can be a thug. When in bloom it covers the area with masses of light pink flowers. ' |
|---|---|
| Pronunciation | (ee-no-THEE-ruh)(spee-see-OH-suh) |
| Plant Type | Perennials Hardy, Site author's observations |
| Hardiness Zone | 5-9 |
| Sunlight | full |
| Moisture | average, tolerates drier conditions once established |
| Soil & Site | average |
| Temperature | tolerates and prefers heat |
| Flowers | 1 to 1.5 inches, cup shaped, clear pink, 4 petaled, blooms early June until mid July in my garden (zone 5b) |
| Leaves | green |
| Stems | stoloniferous, spreads rapidly |
| Dimensions | 10-12 inches tall, spreads forever |
| Maintenance | control the spread by annually digging our some of the outer edge |
| Propagation | very easy by division |
| Native Site | Native to Texas and New Mexico. |
| Cultivar Origin | Siskiyou Rare Plant Nursery, USA |
| Misc Facts | "Derived for some authorities from Greek oinotheras (with oinos possibly meaning 'wine' and thera perhaps meaning 'booty'" (#145), aka: Showy Evening Primrose, Showy Pink Primrose 'Siskiyou |
| Author's Notes | I read a review about this plant and the author described the plant as "holly Invasive". No truer words were ever spoken. There is a yearly turf war in my garden between this plant and my Phlox Jeana, Achillea Saucy Yellow and Calamagrostis Overdam. Even the Achillea millefolium Saucy Yellow, which is a bit of a thug, needs some help from the invading Evening Primrose. Even with all of it's bad habits, it is very floriferous. A funny thing about this plant is a good portion will winter kill, but it quickly recovers. |
| Notes & Reference | #04-Herbaceous Perennial Plants (Allan Armitage), #145-Plant Lives, (Sue Eland) www.plantlives.com , #203- North Creek Nursery (www.northcreeknurseries.com) |
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