
Scarlet indian paintbrush
Castilleja coccinea
Scarlet Indian paintbrush is a stunning native wildflower famous for its vivid red-orange bracts, but it is notoriously difficult to cultivate because it is hemiparasitic — it requires a compatible host grass or perennial plant growing nearby to tap nutrients from. Sow seeds directly in the garden in fall alongside host grasses such as little bluestem, in full to partial sun with well-drained soil. It is not suitable for containers or indoor growing and requires patience, as establishment can be
Care Level
High
Sun
Partial Shade
Water
Moderate
Growth Rate
Fast
Mature Height
240″ – 480″
Soil
loam
Life Cycle
Perennial
Spacing
12″
Flowers
red
Watering Schedule
Every 7-10 Days • Water Moderately; Keep Soil Evenly Moist But Well-Drained
Soil pH
4.9 – 6.8
Temperature
-25° – 95°F
Mature Spread
up to 240″
Root Depth
Medium
Foliage
Fine
Propagation: Seed
Native to
Attracts
Sources
Data: trefle, usda
Image: trefle.io — Taken Aug 5, 2020 by Grace Drake (cc-by-sa)
No nurseries currently have this species in stock.