Wholeleaf Indian Paintbrush

Castilleja integra, Orobanchaceae

Zones

4–9

Layer

Herbaceous

Lifespan

Perennial

Growth

Slow

Guild Roles

Pollinator Attractor

Growing Conditions

Sun

Full Sun (preferred)

Water

Low

Soil pH

5.5 – 7.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Purple Three-AwnAristida purpurea

Beneficial Insect HabitatPollinator Sharing

Prairie JunegrassKoeleria macrantha

Beneficial Insect HabitatWind Protection

Weeping LovegrassEragrostis curvula

Wind ProtectionPhysical Support

Scarlet GiliaIpomopsis aggregata

Pollinator SharingBeneficial Insect Habitat

Indian RicegrassAchnatherum hymenoides

Nurse PlantWind Protection

Antagonistic Plants

Prince PlumeStanleya pinnata

Prince's plume accumulates selenium to toxic levels, creating soil conditions hostile to most other plants including paintbrush

Western WheatgrassPascopyrum smithii

Western wheatgrass forms dense sods that can exclude wildflowers through intense root competition and chemical suppression

Uses

Functions

Hummingbird Support

Common Questions

What zones does Wholeleaf Indian Paintbrush grow in?

Wholeleaf Indian Paintbrush grows in USDA hardiness zones 4 through 9.

What are good companion plants for Wholeleaf Indian Paintbrush?

Good companions for Wholeleaf Indian Paintbrush include Purple Three-Awn, Prairie Junegrass, Weeping Lovegrass, Scarlet Gilia, Indian Ricegrass.

Design guilds with Wholeleaf Indian Paintbrush and see companion relationships visually.

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