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Heliopsis helianthoides (False Sunflower)

Smooth Oxeye, Oxeye Sunflower, False Sunflower

Heliopsis Helianthoides, Smooth Oxeye, Oxeye Sunflower, False Sunflower, Yellow Flowers
Heliopsis Helianthoides, Smooth Oxeye, Oxeye Sunflower, False Sunflower, Yellow Flowers

Heliopsis helianthoides (False Sunflower) is a showy short-lived perennial forming upright clumps of stiff, branched stems boasting sunflower-like flowers, 2-3 in. across (5-7 cm) from early summer to fall. Each blossom features yellow-orange rays surrounding a cone-shaped brownish-yellow center disk. They are visited by bees, butterflies, hummingbirds and other pollinating insects. The stems are clothed in pairs of opposite, ovate, toothed leaves, 6 in. long (15 cm). A valuable addition to the landscape with its profusion of bright glowing daisies over a long season, False Sunflower is an undemanding plant which provides excellent, midsummer color. Hardy and easy to grow, it is a beautiful garden perennial for dry sites.

  • Grows up to 3-6 ft. tall (90-180 cm) and 2-4 ft. wide (60-120 cm).
  • Performs best in full sun in average, dry to medium, well-drained soils. This plant is not fussy about soils and tolerates a wide range of soil conditions, including poor soils, dry soils and clay soils. Light shade is also tolerated, although the plants might tend to flop and hence will require some support. Drought tolerant once established.
  • Excellent choice for perennial borders where their dazzling flowers are welcomed in any color scheme. Perfectly suited to the cutting garden, naturalized plantings.
  • Deadhead spent flowers to promote new blooms. Cut back after flowering.
  • No serious pest or disease issues. Keep an eye out for aphids.
  • Propagate by seed in fall or early spring. Large clumps can be divided, but it is fairly difficult.
  • Native to central and eastern North America.

Requirements

Hardiness 3 - 9
Heat Zones 1 - 9
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, H1, H2
Plant Type Perennials
Plant Family Compositae
Genus Heliopsis
Common names False Sunflower
Exposure Full Sun
Season of Interest Summer (Early, Mid, Late)
Fall
Height 3' - 6'
(90cm - 180cm)
Spread 2' - 4'
(60cm - 120cm)
Spacing 18" - 48"
(50cm - 120cm)
Maintenance Low
Water Needs Low, Average
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Cut Flowers, Showy
Native Plants United States, Massachusetts, New York, New Jersey, New Hampshire, Maryland, Pennsylvania, Maine, Delaware, Connecticut, Vermont, Rhode Island, Midwest, Rocky Mountains, Southwest, Southeast, Pacific Northwest, Northeast, Michigan, Wisconsin, North Dakota, Nebraska, Minnesota, Kansas, Iowa, Indiana, Illinois, South Dakota, Ohio, Missouri, Washington, Alabama, Kentucky, Georgia, Florida, Arkansas, West Virginia, Virginia, Tennessee, South Carolina, North Carolina, Mississippi, Louisiana, Texas, New Mexico, Oklahoma, Colorado
Tolerance Drought, Rabbit, Dry Soil, Rocky Soil, Clay Soil
Attracts Bees, Butterflies, Hummingbirds
Garden Uses Beds And Borders
Garden Styles Prairie and Meadow, Cutting Garden, Informal and Cottage
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Alternative Plants to Consider

Heliopsis helianthoides var. scabra ‘Burning Hearts’ (False Sunflower)
Heliopsis helianthoides ‘Asahi’ (False Sunflower)

Recommended Companion Plants

Liatris spicata (Blazing Star)
Echinacea purpurea (Purple Coneflower)
Helenium (Sneezeweed)
Achillea (Yarrow)
Sedum (Stonecrop)

Find In One of Our Guides or Gardens

Heliopsis helianthoides (False Sunflowers)
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
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Requirements

Hardiness 3 - 9
Heat Zones 1 - 9
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, H1, H2
Plant Type Perennials
Plant Family Compositae
Genus Heliopsis
Common names False Sunflower
Exposure Full Sun
Season of Interest Summer (Early, Mid, Late)
Fall
Height 3' - 6'
(90cm - 180cm)
Spread 2' - 4'
(60cm - 120cm)
Spacing 18" - 48"
(50cm - 120cm)
Maintenance Low
Water Needs Low, Average
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Cut Flowers, Showy
Native Plants United States, Massachusetts, New York, New Jersey, New Hampshire, Maryland, Pennsylvania, Maine, Delaware, Connecticut, Vermont, Rhode Island, Midwest, Rocky Mountains, Southwest, Southeast, Pacific Northwest, Northeast, Michigan, Wisconsin, North Dakota, Nebraska, Minnesota, Kansas, Iowa, Indiana, Illinois, South Dakota, Ohio, Missouri, Washington, Alabama, Kentucky, Georgia, Florida, Arkansas, West Virginia, Virginia, Tennessee, South Carolina, North Carolina, Mississippi, Louisiana, Texas, New Mexico, Oklahoma, Colorado
Tolerance Drought, Rabbit, Dry Soil, Rocky Soil, Clay Soil
Attracts Bees, Butterflies, Hummingbirds
Garden Uses Beds And Borders
Garden Styles Prairie and Meadow, Cutting Garden, Informal and Cottage
How Many Plants
Do I Need?
Explore Great Plant Combination Ideas
Heliopsis (False Sunflower)
Not sure which Heliopsis (False Sunflower) to pick?
Compare Now

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