Heliopsis

Description

Heliopsis, also known as false sunflower, is a genus of flowering plants in the family Asteraceae. This plant is native to the eastern and central regions of North America, and is commonly grown for its bright yellow or orange daisy-like flowers that bloom from mid-summer to fall. Heliopsis can grow up to six feet tall and is considered a hardy perennial plant that is easy to care for.

Taxonomic Information

Appearance

Heliopsis has long, lance-shaped leaves that grow up to six inches long and three inches wide. The leaves are dark green and have a slightly rough texture. The plant produces stems that can reach up to six feet tall, and each stem has numerous branches that bear bright yellow or orange daisy-like flowers. The flowers have a central disk of small, tubular flowers surrounded by numerous ray petals that give the flower its distinctive appearance.

Care Guide

Water

Heliopsis prefers evenly moist soil, so it is important to water the plant regularly during dry periods. However, be careful not to overwater as this can lead to root rot.

Fertilization

Heliopsis does not require heavy fertilization, but a light application of balanced fertilizer in the spring can help promote healthy growth and blooming.

Soil

Heliopsis prefers well-draining soil that is rich in organic matter. A soil pH of 6.0 to 7.5 is ideal.

Sunlight

Heliopsis prefers full sun, but can tolerate partial shade.

Hardiness Zones

Heliopsis is hardy in USDA zones 3 to 9.

Common Pests & Diseases

Heliopsis is generally resistant to pests and diseases, but can occasionally be affected by fungal diseases such as powdery mildew and rust. Aphids and spider mites can also be a problem, but can be controlled with insecticidal soap or neem oil.

Habitat

Heliopsis is native to the eastern and central regions of North America, where it grows in open woods, meadows, and along roadsides. The plant prefers well-draining soil and full sun to partial shade.

Question and Answer

Q: Is Heliopsis an annual or perennial plant?

A: Heliopsis is a hardy perennial plant.

Q: How tall can Heliopsis grow?

A: Heliopsis can grow up to six feet tall.

Q: When do Heliopsis flowers bloom?

A: Heliopsis flowers bloom from mid-summer to fall.

Q: How do I propagate Heliopsis?

A: Heliopsis can be propagated by division in the spring or fall.

Related Plants

• Aster
• Black-eyed Susan
• Coneflower
• Daisy
• Goldenrod

References

• “Heliopsis helianthoides (L.) Sweet.” Plants of the World Online, Kew Science.
• “Heliopsis.” Missouri Botanical Garden.
• “Heliopsis.” University of Wisconsin-Madison Division of Extension.