Woodland Sunflower

Helianthus divaricatus, Asteraceae

Zones

4–8

Layer

Herbaceous

Lifespan

Perennial

Growth

Moderate

Guild Roles

Pollinator AttractorBeneficial Insect HabitatProducer

Growing Conditions

Sun

Partial Shade (preferred)Full Sun (tolerated)

Water

Moderate (established)High (seedling)

Soil pH

6 – 7.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Tufted VetchVicia cracca

Nitrogen FixationBeneficial Insect Habitat

Mediterranean EryngoEryngium bourgatii

Pollinator SharingBeneficial Insect Habitat

Hillside BlueberryVaccinium pallidum

Shade ProvisionPollinator Sharing

Narrowleaf Mountain MintPycnanthemum tenuifolium

Pest DeterrentBeneficial Insect Habitat

Antagonistic Plants

Western ColumbineAquilegia formosa

Sunflower species are known to produce strong allelopathic compounds that can inhibit many other plant species

Whole-leaf RosinweedSilphium integrifolium

Both large composite plants compete strongly for light and soil resources in prairie environments.

Heart-leaved AsterSymphyotrichum cordifolium

Sunflower allelopathic compounds can strongly inhibit aster species growth and establishment

Uses

Functions

Late Season Pollinator SupportSeed ProductionWildlife FoodNaturalizing

Edible Parts

SeedsFlower Buds

Medicinal Uses

Traditional Respiratory TreatmentAnti-Inflammatory

Common Questions

What zones does Woodland Sunflower grow in?

Woodland Sunflower grows in USDA hardiness zones 4 through 8.

What are good companion plants for Woodland Sunflower?

Good companions for Woodland Sunflower include Tufted Vetch, Mediterranean Eryngo, Hillside Blueberry, Narrowleaf Mountain Mint.

Design guilds with Woodland Sunflower and see companion relationships visually.

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