Heliopsis helianthoides
Smooth Oxeye
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Smooth Oxeye (Heliopsis helianthoides) - Description
Heliopsis helianthoides is a species of flowering plant in the family Asteraceae, known by the common names smooth oxeye and false sunflower. It is native to eastern North America, including eastern Canada and the eastern United States. This species is a rhizomatous herbaceous perennial growing 40–150 cm (16–59 in) tall. The toothed leaf blades are oval to triangular or lance-shaped and may be smooth or hairy or rough in texture.
Smooth Oxeye (Heliopsis helianthoides) - Blooming
Remove faded flowers to promote continued blooming, which can last for several months months into early fall.
Smooth Oxeye (Heliopsis helianthoides) - Growth
They prefer full sun and may require some staking. Due to their spreading nature, they may be considered invasive in some locales.
Smooth Oxeye (Heliopsis helianthoides) - Planting
Divide the clumps in spring or fall, or if sowing by seed, you only need to cover them with a thin layer of topsoil. Space plants 2-3' apart.
Smooth Oxeye (Heliopsis helianthoides) - Pest
Other than a minor susceptibilty to aphids, there are no serious threats.
Smooth Oxeye (Heliopsis helianthoides) - Interesting facts
A North American native wildflower, the name of Heliopsis refers to the golden flowers which resemble the sun.
Smooth Oxeye (Heliopsis helianthoides) - Soil and irrigation
Grow in average to rich, loamy soil with a neutral to slightly acidic pH (5.5-7). Keep it evenly moist through the summer for best results, but Heliposis can tolerate some dryness.
