Orobanchaceae
Castilleja angustifolia var. angustifolia
Castilleja angustifolia var. angustifolia var. angustifolia
Also known as Castilleja buffumii, Castilleja angustifolia var. adenophora, Euchroma bradburii, Castilleja subcinerea
Flowering Plants · Native Plants · Indian Paintbrush · Hemiparasitic · Native Wildflower · Hummingbird Plant · Rocky Mountain Native · Western Native · Difficult To Grow · Red Flowers · Castilleja
Narrowleaf Indian Paintbrush is a hemiparasitic wildflower that requires a compatible host plant such as a native grass to thrive in the garden. It prefers well-drained soils in open, partly shaded sites and is best grown in naturalized or native plant gardens rather than conventional beds. This species is challenging to cultivate outside its native habitat and is best suited for experienced native plant gardeners.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Water moderately, keeping soil evenly moist but never waterlogged · Every 7-14 days depending on soil moisture
- Maintenance
- High
- Soil
- loam
- Soil pH
- 5.6–7.3
- Temperature
- -25°F to 85°F
- Cycle
- Perennial
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 2.5 ft
- Spread
- 12 in
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Root depth
- Deep
- Flowers
- Red
- Foliage
- Green · Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Idaho, Montana, Oregon, Wyoming
- Attracts
- Hummingbirds, Bees, Butterflies
Sources: trefle, usda
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