Helianthus annuus 'Lemon Queen' (Lemon Queen Sunflower) — Bushy, Clump forming

Overview

Helianthus annuus 'Lemon Queen' is a bushy, clump forming annual in the genus Helianthus, part of the Asteraceae family, with deciduous foliage. It typically grows around 3.0 m tall. Helianthus annuus 'Lemon Queen' grows best in full sun, and tolerates most soils and neutral pH. Its UK hardiness is rated H6. Suggested uses include cut flower and garden border. It is native to Connecticut, Delaware, Iowa, Montana, Maryland, North Dakota, Ohio and Rhode I..

About

The common sunflower is a large annual forb in the daisy family Asteraceae. The domesticated form of common sunflower is harvested for its edible seeds, which come in two types: oil and confectionary seeds.

Wikipedia contributors, CC BY-SA 4.0 — Common sunflower

About the genus

Helianthus is a genus comprising around 50 species of annual and perennial flowering plants in the daisy family Asteraceae commonly known as sunflowers. The species of Helianthus are native to North America. The best-known species is the common sunflower.

Wikipedia contributors, "Helianthus", CC BY-SA 4.0 — Helianthus

Growing conditions

Best soil and position for Helianthus

Sunlight: Full sun
Soil type: Sandy, Loamy, Clay
Soil pH: Neutral
Soil moisture: Well-drained, Moist but well-drained
Aspect: South-facing
Exposure: Full sun
UK hardiness: H6

Plant details

Helianthus annuus 'Lemon Queen' size, habit and characteristics

Plant type: Annual
Habit: Bushy, Clump forming
Foliage: Deciduous
Height: 3.0 m
Suggested uses: Cut flower, Garden border
Native to: Connecticut, Delaware, Iowa, Montana, Maryland, North Dakota, Ohio, Rhode I.

Care notes

Pruning and caring for Helianthus annuus 'Lemon Queen'

Cultivation: Sow seeds directly in the garden after the last frost. Prefers full sun and well-drained soil. Regular watering promotes growth.
Pruning: Deadhead spent flowers to encourage continuous blooming.
Propagation: Seed
Pest resistance: Slugs, Snails
Disease resistance: Powdery mildews, Sclerotinia diseases

Frequently asked questions

How do I grow Helianthus annuus 'Lemon Queen'?

Sow seeds directly in the garden after the last frost. Prefers full sun and well-drained soil. Regular watering promotes growth.

Where is the best place to plant Helianthus annuus 'Lemon Queen'?

Helianthus annuus 'Lemon Queen' prefers full sun. It suits full sun positions.

What soil does Helianthus annuus 'Lemon Queen' need?

Helianthus annuus 'Lemon Queen' is adaptable and grows happily in most soil types, including sandy, loamy and clay. It prefers neutral soil. Aim for soil that stays well-drained to moist but well-drained.

How do I prune Helianthus annuus 'Lemon Queen'?

Deadhead spent flowers to encourage continuous blooming.

How big does Helianthus annuus 'Lemon Queen' grow?

Helianthus annuus 'Lemon Queen' reaches a height of 3.0 m.

Is Helianthus annuus 'Lemon Queen' hardy in the UK?

Helianthus annuus 'Lemon Queen' has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.