Form: low, shrubby wildflower
Size: 9in high with 1 ft spread
Leaves: feather or ferny, basal leaves
Flowers: pink to purple tufted spikes; bloom March to May
blooms on castilleja exserta
Range/Origin: mid-elevation grasslands of Southwest US and northern Mexico
Hardiness: 10-15 °F
- wildflower gardens
- annual color in the native garden
- flowers attract butterflies and bees
Owl's clover in a mixed wildflower bed
- Exposure: full sun
- Water: once a month through the winter
- Soil: sandy or gravelly; well-drained mineral soil
- Propagation: sow seed in early to late Fall
- Maintenance: minimal
Research by Master Gardener Devona Painter
Can sow as late as November or December in irrigated garden.
Grow best in association with its community of spring wildflowers, including baby blue-eyes, California gold poppy, Lupines, orange globe mallow, desert bluebells, and sideoats grama.
Formerly known as Orthocarpus purpurascens
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