North America Native Plant

Wavyleaf Indian Paintbrush

Botanical name: Castilleja applegatei

USDA symbol: CAAP4

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Wavyleaf Indian Paintbrush: A Stunning Native Wildflower for Western Gardens If you’re looking to add a splash of vibrant color to your native garden while supporting local wildlife, the wavyleaf Indian paintbrush (Castilleja applegatei) might just be the perfect choice. This striking perennial wildflower brings the beauty of western landscapes ...

Wavyleaf Indian Paintbrush: A Stunning Native Wildflower for Western Gardens

If you’re looking to add a splash of vibrant color to your native garden while supporting local wildlife, the wavyleaf Indian paintbrush (Castilleja applegatei) might just be the perfect choice. This striking perennial wildflower brings the beauty of western landscapes right to your backyard with its eye-catching red-orange blooms and unique growing characteristics.

What Makes Wavyleaf Indian Paintbrush Special?

This native gem is a true westerner, naturally occurring across six states: California, Idaho, Nevada, Oregon, Utah, and Wyoming. As a native species to the lower 48 states, it’s perfectly adapted to western growing conditions and plays an important role in local ecosystems.

The wavyleaf Indian paintbrush is a perennial forb herb, meaning it’s a non-woody flowering plant that comes back year after year. Despite its delicate appearance, this hardy plant has evolved to thrive in some pretty tough conditions, making it an excellent choice for gardeners dealing with challenging western climates.

Garden Appeal and Design Role

Let’s talk about why you’d want this beauty in your garden! The wavyleaf Indian paintbrush offers:

  • Stunning red tubular flowers that bloom from late spring into summer
  • Compact size, reaching about 1.5 feet tall
  • Medium-textured green foliage that provides nice contrast
  • Slow but steady growth with a single crown form
  • Semi-erect shape that adds vertical interest

This plant shines in native wildflower gardens, xeriscape designs, and naturalized areas. It’s perfect for gardeners who want to create habitat for local wildlife while enjoying beautiful blooms that truly belong in the western landscape.

Perfect Growing Conditions

One of the best things about wavyleaf Indian paintbrush is how well it’s adapted to western growing conditions. Here’s what makes it happy:

  • Soil: Prefers fine to medium-textured soils with good drainage
  • Water: Highly drought tolerant with low moisture needs (10-18 inches annual precipitation)
  • Sun: Needs full sun – it’s shade intolerant
  • pH: Tolerates slightly acidic to neutral soils (pH 6.3-7.8)
  • Temperature: Cold hardy down to -28°F, needs at least 130 frost-free days
  • Fertility: Actually prefers low-fertility soils – no need for rich garden soil!

This plant is suited for USDA hardiness zones 4-8, making it perfect for much of the western United States.

Wildlife and Pollinator Benefits

Here’s where things get really exciting! The tubular red flowers of wavyleaf Indian paintbrush are perfectly designed to attract hummingbirds. These tiny dynamos love the nectar-rich blooms, and you’ll likely see them visiting regularly during the flowering period. Native bees and other pollinators also benefit from this plant, making it a valuable addition to any pollinator garden.

Planting and Care Tips

Growing wavyleaf Indian paintbrush successfully requires understanding its unique nature. Here are the key things to know:

  • Propagation: Grow from seed (about 325,000 seeds per pound!)
  • Planting time: Start seeds in fall or early spring
  • Companion planting: This plant is semi-parasitic and benefits from growing near grasses and other host plants
  • Establishment: Be patient – growth rate is slow, but the wait is worth it
  • Maintenance: Once established, it’s very low maintenance
  • Fire tolerance: Has medium fire tolerance, typical for many western natives

The semi-parasitic nature means this plant forms connections with nearby plants’ root systems, which actually helps it thrive in low-fertility soils. Don’t worry – it won’t harm your other plants!

Is Wavyleaf Indian Paintbrush Right for Your Garden?

This native wildflower is perfect if you:

  • Want to support local wildlife and pollinators
  • Are gardening in western states where it’s native
  • Have sunny, well-draining areas that can be challenging for other plants
  • Appreciate unique, colorful native flowers
  • Want a low-maintenance perennial once established
  • Are creating a xeriscape or drought-tolerant garden

However, this might not be the best choice if you’re looking for instant gratification (remember that slow growth rate) or if you have heavy shade in your garden.

Final Thoughts

Wavyleaf Indian paintbrush offers western gardeners a wonderful opportunity to grow a truly native species that brings both beauty and ecological value to the landscape. While it may take patience to establish, the reward of vibrant red blooms and visiting hummingbirds makes it well worth the wait. Plus, you’ll have the satisfaction of knowing you’re supporting local ecosystems with every plant!

Commercial availability is currently limited, so you may need to grow this beauty from seed or connect with native plant societies and seed exchanges. The investment in time and effort will pay off with years of stunning blooms and wildlife activity in your garden.

How

Wavyleaf Indian Paintbrush

Grows

Growing season

Spring and Summer

Lifespan

Moderate

Growth form & shape

Single Crown and Semi-Erect

Growth rate

Slow

Height at 20 years
Maximum height

1.5

Foliage color

Green

Summer foliage density

Moderate

Winter foliage density

Porous

Foliage retention

No

Flowering

Yes

Flower color

Red

Fruit/seeds

No

Fruit/seed color

Brown

Allelopath

No

Nitrogen fixing

None

Toxic

None

C:N Ratio

Medium

Fire Resistant

No

Foliage Texture

Medium

Low-growing Grass

No

Resproutability

No

Coppice Ability

No

Bloat

None

Wavyleaf Indian Paintbrush

Growing Conditions

Adapted to Coarse Soil

No

Adapted to Medium Soil

Yes

Adapted to Fine Soil

Yes

Anaerobic tolerance

None

CaCO₃ tolerance

Medium

Cold Stratification

No

Drought tolerance

High

Nutrient requirement

Low

Fire tolerance

Medium

Frost-free days minimum

130

Hedge tolerance

None

Moisture requirement

Low

pH range

6.3 to 7.8

Plants per acre
Precipitation range (in)

10 to 18

Min root depth (in)

10

Salt tolerance

Low

Shade tolerance

Intolerant

Min temperature (F)

-28

Cultivating

Wavyleaf Indian Paintbrush

Flowering season

Late Spring

Commercial availability

No Known Source

Fruit/seed abundance

Medium

Fruit/seed season

Summer to Summer

Fruit/seed persistence

No

Propagated by bare root

No

Propagated by bulb

No

Propagated by container

No

Propagated by corm

No

Propagated by cuttings

No

Propagated by seed

Yes

Propagated by sod

No

Propagated by sprigs

No

Propagated by tubers

No

Seed per pound

325000

Seed spread rate

Slow

Seedling vigor

Medium

Small grain

No

Vegetative spread rate

None

Wavyleaf Indian Paintbrush

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Castilleja Mutis ex L. f. - Indian paintbrush

Species

Castilleja applegatei Fernald - wavyleaf Indian paintbrush

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA