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Oregon Gumweed

Grindelia stricta, Asteraceae

Zones
6–9
Layer
Herbaceous
Lifespan
Perennial
Growth
Fast

Guild Roles

Pollinator AttractorBeneficial Insect HabitatPest Confuser

Growing Conditions

Sun

Full Sun (preferred)

Water

Low (established)Moderate (seedling)

Soil pH

6 – 8.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Sierra Mountain MintPycnanthemum californicum
Pest DeterrentBeneficial Insect Habitat
Douglas' MeadowfoamLimnanthes douglasii
Pollinator SharingBeneficial Insect Habitat

Antagonistic Plants

Camphor DaisyHeterotheca subaxillaris

Both Asteraceae species produce similar allelopathic compounds and compete for root space

Douglas' DustymaidenChaenactis douglasii

Related Asteraceae compete for similar growing conditions and resources

Uses

Functions

Attracts Native Leafcutter BeesSupports Beneficial Hover FliesHosts Predatory BeetlesProvides Late-Season PollenAttracts Native Bumble Bees

Medicinal Uses

Respiratory AilmentsSkin Conditions

Common Questions

What zones does Oregon Gumweed grow in?

Oregon Gumweed grows in USDA hardiness zones 6 through 9.

What are good companion plants for Oregon Gumweed?

Good companions for Oregon Gumweed include Sierra Mountain Mint, Douglas' Meadowfoam.

Design guilds with Oregon Gumweed and see companion relationships visually.

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