SILVER BLADE® evening primrose
Oenothera macrocarpa subsp. incana
A southern Great Plains endemic introduced by James Locklear, further promoted by Bluebird Nursery, Clarkson, Nebraska. Silver leaves compliment the clear yellow flowers. Blooms May to frost. Drought tolerant. Perennial. Xeriscape.
Tips from the pros: Grows best when planted in well-drained soil. Plant in a location away from sidewalks where it will have room to grow! Trim for aesthetics if needed.
Tips from the pros: Grows best when planted in well-drained soil. Plant in a location away from sidewalks where it will have room to grow! Trim for aesthetics if needed.
| Plant Type | Perennial |
| Height | 4-8 inches |
| Width | 16-24 inches |
| Flowering Season | May to frost |
| Flower Color | Yellow |
| Sun | Sun |
| Water Needs | Moderate to xeric |
| USDA Hardiness Zone | Zones 4a-9 |
| Soil Type | Loam |
| Deer Resistant | Yes |
| Good for Pollination | Yes |
| Winter Interest | No |
| North American Native | Yes |
| Year Introduced | 1999 |
| Annual Commercial Maintenance | Hand trim back dead stems in spring. |
| 5-10 Year Commercial Maintenance | Follow annual maintenance and allow to go to seed. Thin out any undesireable seedlings. |
| Elevation Guide | Up to 7500 ft. |
