Willowleaf Sunflower
Helianthus salicifolius
Last reviewed: August 2026
Helianthus salicifolius, or willowleaf sunflower, has fine, threadlike foliage and yellow daisy-like blooms from June through November. It thrives in full sun and dry to medium-moisture prairie soils.
Toxicity unknown
Willowleaf Sunflower (Helianthus salicifolius) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
60"–96" H × 12"–36" W
Bloom
Jun, Jul, Aug, Sep, Oct, Nov
Native to
KS, MO, NE, OK and 1 more states
Pollinators
butterflies, bees
Before you buy
Your city may pay you to plant this
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Willowleaf Sunflower is a tall, narrow perennial with distinctive thin, willow-like leaves that create an elegant vertical accent in the landscape. It produces clusters of bright yellow daisy-like flowers from summer through late fall, providing extended seasonal color. The plant has a slender, upright growth habit that works well as a natural screen or backdrop.
Growing Willowleaf Sunflower
Grow Willowleaf Sunflower in full sun and low water. Mature plants reach 60 to 96 inches tall and spread 12 to 36 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Willowleaf Sunflower takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Height exceeds typical HOA-friendly range
Wildlife value
This sunflower is excellent for pollinators, attracting butterflies and bees throughout its long blooming period. The seeds also provide food for birds in late fall and winter.
Common questions
- When does willowleaf sunflower bloom?
- It blooms from June through November, with the heaviest flowering in late summer and into fall.
- How much water does willowleaf sunflower need?
- It handles low water and dry soil well once established, though it also grows fine with moderate, regular moisture.
- What pollinators does this plant attract?
- Its flower heads draw butterflies and bees, which visit for nectar and pollen throughout the long bloom season.
- How large does willowleaf sunflower get?
- Plants typically form upright clumps 4 to 6 feet tall, with narrow, willow-like leaves that give the species its common name.
- What kind of soil does it prefer?
- It grows best in well-drained soil and adapts to average, sandy, or rocky ground, making it suited to prairie and open meadow plantings.
- Is Willowleaf Sunflower HOA-friendly?
- Willowleaf Sunflower takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Willowleaf Sunflower? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Planning a bed around it? Start a free plan with this plant
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