Skip to product information
Bring vivid desert and grassland color to your landscape with Orange Paintbrush (Castilleja integra), also known as Southwestern Paintbrush or Wholeleaf Paintbrush. This striking native perennial wildflower is prized for its brilliant orange to red bracts and strong appeal to hummingbirds and native pollinators.
Naturally found in grasslands, open woodlands, and desert edges, this species thrives in dry, well-drained soils and performs best when grown with nearby host plants, such as native grasses or low-growing perennials.
⚠️ Important: Castilleja integra is hemiparasitic and requires compatible host plants for long-term success.
You will receive:
✔️ 300 fresh, viable seeds
✔️ Open-pollinated, non-GMO
✔️ Carefully packaged for successful sowing
🌼 Growing Information
Botanical Name: Castilleja integra
Common Names: Orange Paintbrush, Southwestern Paintbrush, Wholeleaf Paintbrush
Plant Type: Perennial / short-lived perennial
Sun Requirements: Full sun
Soil: Dry to medium, well-drained
Height: 12–24 inches
Bloom Time: Spring to early summer
Cold Stratification: Recommended
Special Requirement: Needs nearby host plants (native grasses ideal)
Perfect for native Southwestern gardens, xeriscapes, meadow plantings, and restoration projects.
Castilleja Integra Orange Paintbrush Seeds – 300 Native Southwestern Wildflower Seeds
$9.99