Evening Primrose 'Siskiyou'
Oenothera speciosa 'Siskiyou'
Evening Primrose 'Siskiyou' is a perennial for edging, groundcover, suited to full sun and loam, sandy soil or chalk, flowering Jun, Jul, Aug.
| Type | Perennial |
|---|---|
| Mature height | 30 cm |
| Spread | 60 cm |
| Aspect | full sun |
| Foliage | Deciduous |
| Hardiness | USDA 5a-9b, RHS H5 |
| Pollinator-friendly | Yes |
| Pet-safe | Not confirmed |
Where to use it in a border
At around 30 cm, it sits best along the front edge, where a low, spreading habit reads best. Give it about 60 cm of room to spread. It is hardy across USDA zones 5a to 9b and rated H5 by the RHS, so check it suits your area before planting.
It appears in our lists of full sun, sandy soil, chalk soil, pollinator-friendly plants.
Border Builder uses Evening Primrose 'Siskiyou''s height, spread, soil, bloom months and companions to place it in a full border plan for your own conditions, on iPhone and iPad.
Flowering through the year
Worth knowing
- Its flowers are valued by bees and other pollinators.
Good companions
Plants that share its conditions and style, chosen to complement its place in the border:
- Bearded irisfor height behind it
- Blue Passion Flowerfor height behind it
- Byzantine Gladiolusto flower when it does not
- Carnationto edge in front
- Carthusian pinkto edge in front
- Catmintto edge in front