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Native Wildflower · Easy

How to Grow Woodland Sunflower

Helianthus divaricatus

Your complete guide to growing Woodland Sunflower.

☀SunFull sun to partial shade (4-6+ hours)
💧WaterDrought tolerant
🗺Zones3–8
📏Height2-6 feet
Woodland Sunflower📷 Wikimedia Commons

When to Plant Woodland Sunflower

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
Zone 3 — May – July —
Zone 4 — April – June —
Zone 5 — April – June —
Zone 6 — April – June —
Zone 7 — March – May —
Zone 8 — March – May —

Companion Plants for Woodland Sunflower

✓ Good companions

Cardinal Flower

Attracts hummingbirds and different pollinators, thrives in similar woodland edges

Goldenrod

Creates diverse habitat for beneficial insects, blooms sequentially with sunflowers

Native Asters

Late-season blooms complement sunflower timing, support migrating butterflies

Purple Coneflower

Complementary bloom times extend pollinator season, both thrive in similar conditions

Spicebush

Offers structural diversity and butterfly host plant, compatible moisture needs

Wild Bergamot

Attracts beneficial insects and pollinators, shares similar soil and light requirements

Wild Columbine

Provides ground-level interest beneath tall sunflowers, attracts different pollinators

Wild Ginger

Provides ground cover in partial shade cast by sunflowers, different root zones

✗ Keep away from

Aggressive Grasses

Compete intensely for nutrients and water, can crowd out young sunflower seedlings

Black Walnut

Produces juglone which inhibits growth of sunflowers and many other plants

Tree of Heaven

Allelopathic invasive species that suppresses native wildflower establishment

Notes from the garden

A greener inbox, occasionally.

Seasonal planting ideas, useful tips and a little inspiration. No weeds.