Onagraceae
Oenothera cespitosa subsp. macroglottis
Oenothera cespitosa subsp. macroglottis
Also known as Pachylophus macroglottis, Pachylophus hirsutus, Oenothera cespitosa var. longiflora, Anogra longiflora
Flowering Plants · Native Plants · Tufted Evening Primrose · Night Blooming · White Flowers · Rocky Mountain Native · Xeriscape · Pollinator · Perennial · Clump Forming · Wildflower · Onagraceae
This tufted evening primrose subspecies is a low-growing, clump-forming perennial native to the Rocky Mountain region, ideal for xeriscape or native plant gardens. Plant in full sun to part shade with well-drained, gritty soil and water regularly until established. Its large white flowers open in the evening, providing important nectar for moths and other nocturnal pollinators.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water deeply but infrequently; allow the top inch of soil to dry between waterings · Every 7-10 days
- Maintenance
- Low
- Soil
- sandy loam
- Soil pH
- 6.5–8
- Temperature
- -20°F to 100°F
- Cycle
- Perennial
Hardiness
USDA 5a-10b
Form & growth
Mature size and habit
- Mature height
- 4 in – 12 in
- Spread
- 18 in
- Spacing
- 18 in apart
- Growth rate
- Fast
- Root depth
- Medium
- Flowers
- Yes
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Colorado, New Mexico, Utah, Wyoming
- Attracts
- Bees, Butterflies, Moths
Sources: trefle, usda
More Oenothera
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German-rampion
Oenothera biennis
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Oenothera pallida subsp. pallida
Oenothera pallida subsp. pallida
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Oenothera cespitosa subsp. cespitosa
Oenothera cespitosa subsp. cespitosa
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Oenothera elata subsp. hirsutissima
Oenothera elata subsp. hirsutissima
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