Variable-leaf Collomia

Collomia heterophylla, Polemoniaceae

Zones

3–8

Layer

Herbaceous

Lifespan

Annual

Growth

Fast

Guild Roles

Pollinator AttractorBeneficial Insect HabitatPest Confuser

Growing Conditions

Sun

Partial Shade (preferred)Full Sun (tolerated)

Water

Moderate (established)Moderate (seedling)

Soil pH

5.5 – 7.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Oval-leaf BuckwheatEriogonum ovalifolium

Pollinator Sharing

Santa Barbara CeanothusCeanothus impressus

Wind ProtectionNurse Plant

Heart-leaf BrickellbushBrickellia cordifolia

Pollinator SharingBeneficial Insect Habitat

Antagonistic Plants

Narrowleaf BeardtonguePenstemon angustifolius

Western wildflowers compete for limited water and nutrients in arid environments

Uses

Functions

Attracts Native BumblebeesSupports Beneficial Tachinid FliesEarly Summer Nectar SourceAttracts Minute Parasitic WaspsSelf-Seeding Annual For Succession

Common Questions

What zones does Variable-leaf Collomia grow in?

Variable-leaf Collomia grows in USDA hardiness zones 3 through 8.

What are good companion plants for Variable-leaf Collomia?

Good companions for Variable-leaf Collomia include Oval-leaf Buckwheat, Santa Barbara Ceanothus, Heart-leaf Brickellbush.

Design guilds with Variable-leaf Collomia and see companion relationships visually.

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