Silver Blade Evening Primrose
Silver Blade evening primrose is a native perennial flower notable for its large, yellow flowers that appear from May until frost. It is a small plant with long, silver leaves and red stems. Very drought tolerant, it is a great plant for adding color to the landscape all season long.
Silver Blade Evening Primrose
Silver Blade evening primrose is a native perennial flower notable for its large, yellow flowers that appear from May until frost. It is a small plant with long, silver leaves and red stems. Very drought tolerant, it is a great plant for adding color to the landscape all season long.
Plant details
Botanic Name
Oenothera macrocarpa subsp. incana
Pronunciation
ee-NOH-the-ruh ma-kro-KAR-pa in-KAN-nuh
Mature Height
4 to 6 in.
Mature Spread
12 to 18 in.
Water usage
One Droplet: Water twice per month or less, once established.
Two Droplets: Water about once per week, once established.
Three Droplets: Water about twice per week, once established.
Flower Color
yellow
Bloom time
early summer to frost
Colorado Native
No
Natural Habitat
southern Great Plains of United States
Light Requirements
sun
Cold Hardiness
USDA zones 4-9
Elevation Limit
hardy to 7,000 ft.
Performance
Silver Blade evening primrose has been a great-performing plant at the Water Wise Demonstration Garden. It blooms for an extended period, is deer resistant and is much more immune to flea beetle damage than Missouri evening primrose. It's a short plant, so it needs to be placed in a spot where it will be noticed.
Maintenance
In early spring, cut the old growth to ground level.