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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!

 


Height

4-6 Feet

Spread

3-5 Feet

Bloom Color

Golden Yellow

USDA Hardiness Zone 4-9

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)

 

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.

 

Characteristics & Attributes

Growth Rate
Medium
Nature Attraction
Songbirds
Butterflies
Exposure
Sun
Part Sun
Season of Interest (Flowering)
Summer
Attributes
Dry Shade
Wildflower Garden
Border
Native to US
Moist Shade
Dry Sun
Cut Flower
Open Pollinated
Native to Northeast
Meadow
Soil Moisture Needs
Average
Moist
Dry