Castilleja cryptantha
Castilleja cryptantha, or Hidden-flowered Paintbrush, is an ornamental perennial from the Orobanchaceae family. Common names include Vlaštovičník skrytokvětý (Czech), Verstecktblütige Bartblume (German), Pincel de flor oculta (Spanish), Castilléja à fleur cachée (French), Castilleja a fiore nascosto (Italian), Orężnik skrytokwiatowy (Polish), and Štetka skrytá (Slovak). Specific growing conditions, hardiness, and bloom details are unknown, but it is not toxic.
Light
Full sun
Watering
Medium water
Soil
Loamy, Sandy, Chalky
Height
0.3–0.6 m
Spread
0.2–0.4 m
Zones
4–8
Flower colors