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OENOTHERA speciosa 'Siskiyou'
Commonly known as Evening primrose, Sundrops
Rose pink flowers shading to white centre and greenish throat
Full Plant Details - Sun/Soil & other attributes - Click to close
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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Good to know
Blooms open during the day, unlike some other evening primroses. Can be invasive. Wildlife plant - insects, butterflies. -
Pests & Diseases
Slugs, leaf spot, root rot in wet, heavy soil -
Place of origin
Southwestern USA to Mexico -
Shades of pink
All shades of pink through to Carmine (red)Rose pink shading to white -
Saucer-shaped
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BorderSuitable for a mixed or herbaceous border
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Cottage garden
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Fully hardy
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Height
30cm (12in) -
Spread
30cm (12in) -
HerbaceousEarly in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.Perennial. Oblong-lance-shaped, mid green leaves 2.5-5cm (1-2in) long.
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Hardy - very cold winter
Hardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F) -
Scented flowers
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Summer Seasonal Interest
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Fertile moist well-drained soil
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Full sun
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Partial shade
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Bee friendly
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Mature Size30cm (12in)
30cm (12in)
View Planting Tips and Care Advice
Herbaceous Plants - Video Collection
- Dividing Herbaceous Perennials - Video Tip ondemand_video
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- Summer propagation - Video Tip ondemand_video
- Self-seeding aquilegia - Video Tip ondemand_video
- Supporting Plants - Video Tip ondemand_video
- Dead heading meconopsis - Video Tip ondemand_video
- Dead heading Delphiniums - Video Tip ondemand_video
- Feeding herbaceous peonies - Video Tip ondemand_video
- Overpotting Problems - Video Tip ondemand_video
Oenothera - Care Guide