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How To Order: Quantity options listed represent bulk weights. Examples: 1 = 1 lbs, 25 = 25 bs.


Common Name: Rhexia / Splitleaf Indian Paintbrush

Scientific Name: Castilleja rhexiifolia

Native / Introduced: Native

Main Uses: Wildflower mixes

Height: 1 – 1½ ft.

Colors: Deep pink, purple orange

Flowering Season: Summer

Elevation: Up to 12,000 ft

Sun or Shade: Full sun

Minimum Precipitation: 20 inches +

Lifecycle: Perennial

Planting Seed Rate: 0.25 lbs/acre

Estimated Seeds Per Pound: 4,900,000

Optimal Planting Season: Fall

Planting Depth: Surface to 1/4 inch

Stratification Requirements: Cold stratification recommended if planting in the spring

Category: Forbs



Castilleja rhexiifolia goes by many common names, including Rhexia Indian Paintbrush, Splitleaf Paintbrush, Rosy Paintbrush or Alpine Paintbrush. Typically blooming from July to August, featuring deep-pink, purple or orange bracts. This distinctive wildflower is distributed across the intermountain west, and is usually found in subalpine meadows. It can be found adorning various landscapes, including bogs, meadows, and rocky slopes.


This wildflower is a valuable contributor to the visual tapestry of the Rocky Mountain region, adding a burst of color to diverse ecosystems.



NRCS Plant Profile:

Rhexia / Splitleaf Indian Paintbrush Seeds


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