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Heliopsis helianthoides (Smooth oxeye)
Species Distribution Map: Click to enlarge
Map Color Key © 2013 BONAP

Heliopsis helianthoides

Smooth oxeye or false sunflower

This local native sunflower happily naturalizes in moist or dry conditions. Upright and clump forming with bright, 2", single, medium gold flowers for eight weeks, peaking in July. Imagine, a self sowing butterfly magnet, that also doubles as a birdfeeder in the fall. Excellent cut flower!

 

SIZE
Heliopsis helianthoides LP50 - 50 per flat Availability
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Height

4-6 Feet

Spread

3-5 Feet

Spacing

24 Inches

Bloom Color

Golden Yellow

USDA Hardiness Zone 4-9

Smooth oxeye Interesting Notes

Oxeye is somewhere in between Helianthus and Rudbeckia in effect. It has a shrubby habit and yellow discs and rays of some sunflowers, but the blooms are produced in great quantities on this stems above the foliage, much like Rudbeckia. It is one of the finest large summer bloomers for the garden, growing in a range of soils and forming thick, nonspreading clumps of braching stems, with toothed, opposite leaves that are clean, medium green. - W. Cullina, Growing and Propagating Wildflowers

The genus name is from the Greek helios, meaning sun, and opsis, meaning resembling.

Heliopsis helianthoides Growing and Maintenance Tips

H. helianthoides is found in flood plains, fields and at woods' edge in Quebec and British Columbia south to New Mexico and Georgia. Prefers moist, well-drained soil in full sun, but may tolerate drought. Propagate by cuttings or division every 2-3 years. Staking is necessary especially in shade. Deadhead to extend the blooming season. Best utilized in the back of a border garden to accent lower growing, brightly colored perennials, as well as wildflower and cutting gardens.

 

Key Characteristics & Attributes

Butterflies
Butterflies
Songbirds
Songbirds
Full Sun
Full Sun
Part Sun
Part Sun
Summer
Summer
Moist
Moist
Average
Average
Cut Flower
Cut Flower

Additional Information

Soil Moisture Needs
Well-Drained
Plug Type
Landscape Plug™
Propagation Type
Open pollinated
Attributes
Native to North America
Meadow
Moist Sun