Position

Sun exposure:
Full sun
Aspect:
South facing, west facing
Position in border:
Front

Soil

Succeeds on poor soil:
Acidic / Chalky / Alkaline / Clay / Heavy / Moist / Well Drained / Light / Sandy

Evening primroses, Oenothera, are a group of annuals, biennials and perennials, native to North and South America. They're so-called because the flowers of many species open in the evenings to attract pollinators that are specialised to collecting pollen from them. Many evening primroses have richly scented flowers.

Oenothera speciosa 'Siskiyou' is a sprawling plant producing masses of pale pink flowers throughout summer and often into autumn. It looks particularly good in a cottage garden or coastal setting. The blooms of Oenothera speciosa 'Siskiyou' are open during the day to attract day-flying pollinators. It's a good choice for ground cover.

For best results, grow Oenothera speciosa 'Siskiyou' in full sun or partial shade in moist, well-drained soil. Cut it back as it begins to lose steam to produce a new flush of foliage and flowers. Can vigorously spread if growing in favourable conditions, so it's one to keep a close eye on.

Plant calendar

JanFebMarAprMayJunJulAugSepOctNovDec
Plantyesyesyesyesyesyes
Flowersyesyesyesyesyes
Divideyesyesyesyes
Take cuttingsyesyes
Cut backyesyes

Oenothera ‘Siskiyou’ and wildlife

Oenothera ‘Siskiyou’ is known for attracting bees and butterflies/moths. It has nectar/pollen rich flowers.

Is known to attract Bees
Bees
Is not known to attract Beneficial insects
Beneficial insects
Is not known to attract Birds
Birds
Is known to attract Butterflies/​Moths
Butterflies/​Moths
Is not known to attract Other pollinators
Other pollinators

Is Oenothera ‘Siskiyou’ poisonous?

Oenothera ‘Siskiyou’ has no toxic effects reported.

No reported toxicity to:
Is not known to attract Birds
Birds
Is not known to attract Cats
Cats
Is not known to attract Dogs
Dogs
Is not known to attract Horses
Horses
Is not known to attract Livestock
Livestock
Is not known to attract People
People
Plants that go well with Oenothera 'Siskiyou'
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