Border Builder

Willowleaf Sunflower

Helianthus salicifolius

Illustration of Willowleaf Sunflower

Willowleaf Sunflower is a perennial for focal point, suited to full sun and clay or loam, flowering Sep, Oct.

TypePerennial
Mature height240 cm
Spread90 cm
Aspectfull sun
FoliageDeciduous
HardinessUSDA 4a-9b
Pollinator-friendlyYes
Pet-safeYes

Where to use it in a border

At around 240 cm, it sits best toward the back of a border, or on its own as a focal point with room around it. Give it about 90 cm of room to spread. It is hardy across USDA zones 4a to 9b, so check it suits your area before planting.

It appears in our lists of full sun, clay soil, pollinator-friendly plants, pet-safe plants.

Border Builder uses Willowleaf Sunflower's height, spread, soil, bloom months and companions to place it in a full border plan for your own conditions, on iPhone and iPad.

Download on the App Store

Flowering through the year

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Worth knowing

Good companions

Plants that share its conditions and style, chosen to complement its place in the border:

Garden styles

Modern Native Wildlife garden

Sources

Bloom timing and hardiness drawn from: