Wildflower Archive

wetland wildflower

Giant red paintbrush

Castilleja miniata

Also known as Giant Red Indian Paintbrush, Meadow Paintbrush

Giant red paintbrush (Castilleja miniata)1 of 3
Mary Vaux Walcott

Native to the Pacific Coast, the Southwest, and the Rockies and southern Canada

Alaska to Arizona, east to the Rockies

  • Light Full sun Sun tolerance
  • Moisture Wet Moisture preference
  • Zones 2–9 Cold to heat range
  • Bloom Jun–Sep Flowering time
  • Height up to 3 ft to 0.9 m
  • Life cycle Perennial Annual to perennial
Full details, see below

In the garden

A wetland wildflower for full sun and wet soil. Its red flowers peak in July. At up to 3 ft, it suits rain gardens, pond edges, and damp low spots. Hardy in USDA zones 2–9.

Growing conditions

Light
Full sun Partial shade Full shade
Moisture
Dry Moist Wet

Hardiness zones

Find your zone:

When it blooms

The Giant red paintbrush's red flowers bloom June to September, peaking in July. This midsummer display draws bees and hummingbirds.

Jun–SepJanFebMarAprMayJunJulAugSepOctNovDec

Giant red paintbrush blooms red, pink & orangeFoliage

Pollinators & wildlife

  • Bees Hunt's Bumble Bee
    also Bombus fervidus, Two-form Bumble Bee, Half-black Bumble Bee +11 more Yellow-fronted Bumble Bee, California Bumble Bee, Nevada Bumble Bee, Great Basin Bumble Bee, Yellowish Cuckoo Bumble bee, White-shouldered Bumble Bee, Western Bumble Bee, Frigid Leafcutter Bee, Golden-belted Bumble Bee, Bombus balteatus, Lasioglossum sp.F3
  • Hummingbirds Rufous Hummingbird also Calliope Hummingbird, Broad-tailed Hummingbird
  • Flower flies Eastern Forest Sedgesitter also Volucella bombylans
  • Also visited by
    • Butterflies: Pale Swallowtail

Butterflies that use this plant

Documented host and nectar records. Each links to a planting guide for that butterfly.

Full plant details

Where it grows

Habitat
WetlandThe wild plant community it grows in.
Native range
The Pacific Coast, the Southwest, and the Rockies and southern CanadaUnited States (12): AK, AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY. Canada (4): AB, BC, SK, YT. Where it grows wild on its own, by state and province.
Native distribution
Alaska to Arizona, east to the RockiesThe same native range, usually more exact than the state list, and often noting where it has spread beyond it.

Growing conditions

Light
Full sunHow much sun it takes, from full sun to full shade.
Moisture
WetThe soil dampness it prefers, from dry to wet.
Hardiness zones
USDA 2–9 · Canadian 0–9The cold-to-heat climate range it survives.
Soil
Wet to moist, well-drained soilsThe soils it grows in naturally.
Soil texture
Light to heavy (sandy to clay)The soil grade it prefers, from sand to clay.
Soil pH
Mildly acid to mildly alkalineThe acidity to alkalinity it tolerates (7 is neutral).

Growth & form

Height
up to 3 ft (to 0.9 m)Typical mature height.
Spread
~2 ft (0.5 m)How wide one plant gets, a guide to spacing.
Life cycle
PerennialWhether it lives a single season (annual), two (biennial), or returns for years (perennial).
Growth rate
ModerateA relative ranking versus other plants of the same type (USDA), not an absolute rate.

Flowers, foliage & fruit

Type
WildflowerWhat kind of plant it is.
Bloom
Jun–SepWhen it flowers.
Flower color
Red, Pink, OrangeThe bloom color, or colors.
Fruit/Seeds
ripens Jul–SepThe seed or fruit it sets after flowering.
Toxicity
None knownWhether any part is poisonous to people or pets.