Annual Valerian

Centranthus calcitrapae, Caprifoliaceae

Zones

4–10

Layer

Herbaceous

Lifespan

Annual

Growth

Fast

Guild Roles

Pollinator AttractorBeneficial Insect HabitatPest Confuser

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Low (established)Moderate (seedling)

Soil pH

6.5 – 8.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

British YellowheadInula britannica

Pollinator Sharing

Sweet MignonetteReseda odorata

Pollinator SharingPest Deterrent

Antagonistic Plants

Small TeaselDipsacus pilosus

Both have deep taproots that compete for deep soil nutrients and water

Uses

Functions

Early Spring Nectar For Mining BeesSmall Flower Clusters Perfect For Tiny ParasitoidsGround Beetle ShelterAphid Predator HabitatFills Gaps In Early Pollinator Sequence

Common Questions

What zones does Annual Valerian grow in?

Annual Valerian grows in USDA hardiness zones 4 through 10.

What are good companion plants for Annual Valerian?

Good companions for Annual Valerian include British Yellowhead, Sweet Mignonette.

Design guilds with Annual Valerian and see companion relationships visually.

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