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Curly-top Gumweed

Grindelia squarrosa, Asteraceae

Zones
4–9
Layer
Herbaceous
Lifespan
Perennial
Growth
Moderate

Guild Roles

Pollinator AttractorBeneficial Insect HabitatPest ConfuserDynamic Accumulator

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

Yerba BuenaClinopodium douglasii
Pollinator SharingBeneficial Insect Habitat
Western YarrowAchillea lanulosa
Pest DeterrentPollinator Sharing

Antagonistic Plants

Wild TeaselDipsacus sylvestris

Both tall biennial herbs compete for space and resources in disturbed habitats

Spider FlowerCleome hassleriana

Spider Flower's rapid growth and potential glucosinolate residues may inhibit establishment of gumweed

Uses

Functions

Respiratory MedicineSkin CarePrairie RestorationLate Season Pollinator Support

Medicinal Uses

AsthmaBronchitisSkin ConditionsPoison Ivy TreatmentRespiratory Infections

Common Questions

What zones does Curly-top Gumweed grow in?

Curly-top Gumweed grows in USDA hardiness zones 4 through 9.

What are good companion plants for Curly-top Gumweed?

Good companions for Curly-top Gumweed include Yerba Buena, Western Yarrow.

Design guilds with Curly-top Gumweed and see companion relationships visually.

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