Helianthus simulans

Tall Narrow-leaved Sunflower

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Item #:
Pot Size: full quart

Plant Description

This plant has been circulating in the trade as Helianthus angustifolius, and when we first saw it, we thought it must be a giant form or even a tetraploid (genetically, extra well-endowed). But further research has confirmed its true identity to be H. simulans native to the southern coastal plain from Florida to Louisiana and up into Tennessee and Arkansas. It has narrow willowy leaves and easily reaches 8 feet in height. In mid-fall here, it explodes into flower and will cover itself with 3 inch bright yellow sunflowers. These persist well into November after hard frosts, which makes it almost our latest flowering plant. (Only the clump form of Green and Gold, Aromatic Aster, and Bleeding Heart still flower later.) A mature plant in full flower is about as spectacular as they come. Grow this sunflower in full sun and give it some moisture. Use it as an incredible fall backdrop or in that place where you need to see some color from a distance. You can just about see this in flower from half a mile away!



Good Fall Color

Deer Resistant

Butterfly Plant

Native Plant

Ease of Culture

Easy to grow

Plant Type

Wildflower, Perennial,

Light Exposure

Full sun, Mostly sunny,

Soil Condition

Average, Organic, Clay,

Moisture Tolerance

Moderately moist, Moist,


full quart


36 or taller

Flower Color



Bloom Time

Early fall, Mid fall,

Late fall

Typical Height





6, 7, 8, 9