Hemerocallis fulva 'Kwanso Flore Pleno' (Day Lily) — Clump-forming, arching foliage with upright scapes

Overview

Hemerocallis fulva 'Kwanso Flore Pleno' is a clump-forming, arching foliage with upright scapes perennial in the genus Hemerocallis, part of the Asphodelaceae family, with deciduous or semi-evergreen; arching, strap-shaped, fresh green foliage. It typically grows around 1.0 m tall and 0.6 m wide. Hemerocallis fulva 'Kwanso Flore Pleno' grows best in full sun to partial shade; darker colours hold better out of hot sun, and tolerates almost any reasonable soil and from loam to clay soils and acid and neutral or alkaline pH. Its UK hardiness is rated H6-H7.

About

Hemerocallis fulva 'Kwanso Flore Pleno' is a perennial day lily that forms clumps of arching, strap-shaped leaves with upright flowering scapes. The foliage is deciduous or semi-evergreen and typically reaches about 1.0 m tall with a spread of 0.6 m. It flowers from June to August. It performs in full sun to partial shade and accepts a wide range of soils.

Wikipedia contributors, CC BY-SA 4.0 — Hemerocallis fulva

About the genus

A daylily, day lily or ditch-lily is a flowering plant in the genus Hemerocallis, a member of the family Asphodelaceae, subfamily Hemerocallidoideae, native to Asia. Despite the common name, it is not taxonomically classified in the lily genus. Gardening enthusiasts and horticulturists have long bred Hemerocallis species for their attractive flowers; a select few species of the genus have edible petals, while some are extremely toxic.

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

In the garden

A cultivated selection of Hemerocallis fulva, Hemerocallis fulva 'Kwanso Flore Pleno' presents arching, strap-shaped leaves in a clump-forming habit with flowering scapes carried above the foliage. The leaves may be deciduous or remain semi-evergreen depending on site and winter severity. Flowering occurs from June to August. Place it in full sun to partial shade; darker colours hold better out of hot sun. It tolerates almost any reasonable soil from loam to clay and will grow in acid, neutral or alkaline conditions. Preferably the soil should be moist but well drained; once established it tolerates both damp and dry spells. The plant suits any aspect and will cope in exposed or sheltered positions. In UK hardiness terms it ranges from very hardy to fully hardy (H6–H7). At around 1.0 m high with a spread of about 0.6 m, it works well where a vertical flower display is needed above arching foliage, for example in mixed borders or beside paths where the scapes can be seen at eye level. The upright scapes lift the flowers clear of the leaves, taking the clump to roughly 1.0 m overall.

Growing conditions

Best soil and position for Hemerocallis

Sunlight: Full sun to partial shade; darker colours hold better out of hot sun
Soil type: Almost any reasonable soil, from loam to clay
Soil pH: Acid, neutral or alkaline
Soil moisture: Moist but well drained; tolerates both damp and dry once established
Aspect: Any
Exposure: Exposed or sheltered
UK hardiness: H6-H7

Plant details

Hemerocallis fulva 'Kwanso Flore Pleno' size, habit and characteristics

Plant type: Perennial
Habit: Clump-forming, arching foliage with upright scapes
Foliage: Deciduous or semi-evergreen; arching, strap-shaped, fresh green
Height: 1.0 m
Spread: 0.6 m

Care notes

Pruning and caring for Hemerocallis fulva 'Kwanso Flore Pleno'

Cultivation: Among the most forgiving of perennials, and effectively unkillable once settled. They flower most freely in an open position with reasonable moisture while the buds are forming, and benefit from division every four or five years, since a congested clump produces plenty of leaf and progressively fewer scapes.
Pruning: Snap off spent blooms to keep the display clean, and cut scapes to the base once all buds have finished. Remove dead foliage in late autumn or early spring.
Propagation: Divide in early spring or immediately after flowering, splitting the crown into fans each with roots attached. Proliferations that form on the scapes of some cultivars can be rooted as cuttings.
Pest resistance: Slugs and snails graze new spring growth, and hemerocallis gall midge distorts buds in early summer - affected buds are best picked off and destroyed.
Disease resistance: Robust. Daylily rust is the main disease of note but remains uncommon in the UK.

Frequently asked questions

How do I grow Hemerocallis fulva 'Kwanso Flore Pleno'?

Among the most forgiving of perennials, and effectively unkillable once settled. They flower most freely in an open position with reasonable moisture while the buds are forming, and benefit from division every four or five years, since a congested clump produces plenty of leaf and progressively fewer scapes.

Where is the best place to plant Hemerocallis fulva 'Kwanso Flore Pleno'?

Hemerocallis fulva 'Kwanso Flore Pleno' prefers full sun to partial shade; darker colours hold better out of hot sun. It suits exposed or sheltered positions.

What soil does Hemerocallis fulva 'Kwanso Flore Pleno' need?

Hemerocallis fulva 'Kwanso Flore Pleno' grows best in almost any reasonable soil and from loam to clay soil. It prefers acid and neutral or alkaline soil. Aim for soil that stays moist but well drained; tolerates both damp and dry once established.

How do I prune Hemerocallis fulva 'Kwanso Flore Pleno'?

Snap off spent blooms to keep the display clean, and cut scapes to the base once all buds have finished. Remove dead foliage in late autumn or early spring.

How big does Hemerocallis fulva 'Kwanso Flore Pleno' grow?

Hemerocallis fulva 'Kwanso Flore Pleno' reaches a height of 1.0 m and a spread of 0.6 m.

Is Hemerocallis fulva 'Kwanso Flore Pleno' hardy in the UK?

Hemerocallis fulva 'Kwanso Flore Pleno' has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.

How do I propagate Hemerocallis fulva 'Kwanso Flore Pleno'?

Divide in early spring or immediately after flowering, splitting the crown into fans each with roots attached. Proliferations that form on the scapes of some cultivars can be rooted as cuttings.

More in the Hemerocallis genus

Browse all Hemerocallis →