long yellow daylily

Also known as: citron daylily

A clump-forming, bushy herbaceous perennial with strap-like leaves to 80cm long. In midsummer, produces nocturnal, fragrant, star-shaped yellow flowers with brown-tipped sepals

Scientific classification

Species: long yellow daylily (Hemerocallis citrina)
Genus: Hemerocallis
Family: Asphodelaceae

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Toxicity: Herbaceous Perennial
Plant type: 1-1.5 metres
Height: 0.5-1 metres
Spread: Deciduous
Foliage: Clump forming
Habit: Spring · Summer
Season of interest: Full sun
Sunlight: Information to be completed
Ideal temperature

long yellow daylily pictures

Distribution of long yellow daylily

Distribution map

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Culture

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Toxicity

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Quick identification of long yellow daylily

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long yellow daylily care guide

Keep soil evenly moist during active growth and flowering season
Watering: Full sun
Sunlight: Information to be completed
Ideal temperature

Watering

Keep soil evenly moist during active growth and flowering season

Fertilizing

Daylily feed every two to four weeks through warm blooming months

Pruning

Cut back flower stems after flowering has finished. Remove dead foliage as required.

Propagation

Propagate by division in early spring or autumn, at least six weeks before the first frost. Propagate from seed sown in containers in a cold frame in autumn or spring.

Growing

Grow in fertile, well aerated soil in full sun. Water freely from spring to summer. Divide every 2-3 years to maintain vigour. See Hemerocallis cultivation for more advice

More growing and care information →

Common pests and diseases

Diseases

May be susceptible to rust. In climates with alternating winter frosts and thaws, bacterial leaf and stem rot (spring sickness) may be a problem; in areas with high temperatures and high humidity, crown rot may cause damage.