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Genus Heliopsis (Ox eye, False sunflower)

Heliopsis Heliopsis helianthoides var. scabra 'Asahi' Photo/Illustration: Courtesy of White Flower Farm
hee-lee-OP-sis Common Name: Ox eye, False sunflower
This genus contains a dozen or so species of North American perennials from dry prairies and open woodland. On top of stiff stems bloom yellow (the most common color) sunflower-like flowers over a long time from summer to autumn. Grow in a border, meadow, or cutting garden.
 Noteworthy characteristics: North American natives. Hardy and vigorous. Long-lasting cut flowers that resemble sunflowers.
 Care: Grow in full sun and moderately fertile, humusy, moist but well-drained soil. Stake as needed, and divide every 2-3 years.
 Propagation: Divide plants in spring or fall, or root basal cuttings in spring. To start from seed, sow in a cold frame in spring.
 Problems: Powdery mildew, rust.

Species, varieties and cultivars for genus Heliopsis

Heliopsis helianthoides Heliopsis helianthoides
(False sunflower, Ox eye, Woodland sunflower) Be the first to rate this plant
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This clump-forming perennial bears striking, sunflower-like yellow blooms on long stalks from midsummer to early autumn.
no image available Heliopsis helianthoides 'Summer Nights'
(False sunflower, Ox eye) Be the first to rate this plant
Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

'Summer Nights' has a clumping form, sturdy wine-purple stems, and bronze-tinted leaves. It bears striking deep golden-orange blooms with orange-red centers from June until August.