Written by Maggie
Mar 12 2021
Heliopsis helianthoides, commonly called rough oxeye, smooth oxeye and false sunflower, is a plant of the genus Helianthoides in the Compositae family.
|Botanical Name||Heliopsis helianthoides|
|Common Names||rough oxeye, smooth oxeye and false sunflower|
|Plant Type||Herbaceous perennial|
|Hardiness Zones||3 to 9|
|Flower color||White, pink, white-pink|
|Native Area||Central and eastern North America|
|Mature size||3.00 to 6.00 feet high, 2.00 to 4.00 feet wide|
Heliopsis helianthoides is a perennial herb; Plant height is 60-150cm, branching stem.
The leaves of Heliopsis helianthoides are opposite, petiolate, with 3 main veins and thick teeth on the sides. Long ovate or ovate-lanceolate.
Heliopsis helianthoides produces corymat-like, heterogenous, radiate, and beautiful inflorescences in the head; Flowers are 5 -- 7cm in diameter, liguulate broadly linear, bright yellow. Involucral bracts are 2-3 columns; Female, 1 row, fruiting or sterile, persistent on fruit; Disk flowers are bisexual, fruiting, one enclosed in inflorescences.
Achenes of Heliopsis helianthoides are crested or have dentate margins.
Heliopsis helianthoides is cold resistant, like the sun high dry environment, do not choose the soil.Heliopsis helianthoides resistance to half shade, cold, barren tolerance, strong.
Water Use: Low
Light Requirement: Sun , Part Shade
Soil Moisture: Dry
Soil Description: Sandy soils.
Conditions Comments: An undemanding plant which provides excellent, mid-summer color. Eastern plants belong to var. helianthoides; those in the West are var. scabra.
Heliopsis helianthoides is native to North America from Ontario to Florida, Missouri, and Tennessee.
Heliopsis helianthoides. Helianthoides Sweet 1 species has been introduced into China and cultivated in the northwest.
Heliopsis helianthoides can be used as Flower beds and border materials, and can be planted on roadsides, hedges, woodland grasses, or rock gardens.