Wildflower Archive

prairie wildflower

Texas Paintbrush

Castilleja indivisa

Also known as Texas Indian Paintbrush, Entireleaf Indian Paintbrush, Indian Paintbrush, Scarlet Paintbrush

Texas Paintbrush (Castilleja indivisa)1 of 2
Castilleja indivisa

Native to Louisiana, Oklahoma, and Texas

Southeastern Oklahoma, eastern Texas and Louisiana

  • Light Full sun Sun tolerance
  • Moisture Dry Moisture preference
  • Zones n/a Cold to heat range
  • Bloom Mar–May Flowering time
  • Height up to 18 in to 46 cm
  • Life cycle Annual Annual to perennial
Full details, see below

In the garden

A prairie wildflower for full sun and lean, dry soil. At up to 18 in, it suits meadows and sunny borders.

Growing conditions

Light
Full sun Partial shade Full shade
Moisture
Dry Moist Wet

Pollinators & wildlife

  • Butterflies Black Swallowtail also Common Buckeye, Pipevine Swallowtail, Cloudless Sulphur
  • Bees American Bumble Bee
  • Moths White-lined Sphinx

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
PrairieThe wild plant community it grows in.
Native range
Louisiana, Oklahoma, and TexasUnited States (3): LA, OK, TX. Where it grows wild on its own, by state and province.
Native distribution
Southeastern Oklahoma, eastern Texas and LouisianaThe 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
DryThe soil dampness it prefers, from dry to wet.
Soil
Sandy soils. Sandy Loam, Sandy, Medium Loam, Clay Loam, ClayThe soils it grows in naturally.
Water use
MediumHow thirsty it is, a rough guide to how often to water.

Growth & form

Height
up to 18 in (to 46 cm)Typical mature height.
Life cycle
AnnualWhether it lives a single season (annual), two (biennial), or returns for years (perennial).

Flowers, foliage & fruit

Type
WildflowerWhat kind of plant it is.
Bloom
Mar–MayWhen it flowers.
Flower color
Red, OrangeThe bloom color, or colors.
Toxicity
None knownWhether any part is poisonous to people or pets.