Brassicaceae
Erysimum capitatum var. capitatum
Erysimum capitatum var. capitatum var. capitatum
Also known as Cheirinia wheeleri, Erysimum asperum var. arkansanum, Erysimum greenei, Erysimum capitatum subsp. angustatum
Flowering Plants · Native Plants · Western Wallflower · Native Perennial · Orange Flowers · Pollinator · Wildflower · Erysimum · Rock Garden · Prairie · Mountain Native · Brassicaceae
Western wallflower is a cheerful native perennial producing clusters of bright orange to yellow flowers that are highly attractive to early-season pollinators. It thrives in well-drained soils with full sun and tolerates dry, rocky conditions typical of its mountain and prairie native range. Minimal watering and no heavy fertilization are needed once established, making it ideal for low-water native gardens.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water moderately; keep soil evenly moist but never waterlogged, allowing slight drying between waterings · Every 7-10 days
- Maintenance
- Low
- Soil
- rocky
- Soil pH
- 6–8.5
- Temperature
- -15°F to 95°F
- Cycle
- Perennial
Hardiness
USDA 5b-10b
Form & growth
Mature size and habit
- Mature height
- 18 in – 3 ft
- Spread
- 18 in
- Spacing
- 12 in apart
- Growth rate
- Fast
- Root depth
- Medium
- Flowers
- Yes
- Foliage
- Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Arizona, Arkansas, California, Colorado, Idaho, Illinois, Indiana, Iowa, Maryland, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Southwest, Missouri, Nevada, New Mexico, Ohio, Oklahoma, Oregon, Tennessee
- Attracts
- Bees, Butterflies, Moths
Sources: trefle, usda
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