Hemerocallis fulva 'Green Kwanso' (d)

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daylily 'Green Kwanso'

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daylily 'Green Kwanso' RHS

Synonyms

Hemerocallis 'Kwanso Flore Pleno'

Herbaceous Perennial
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A deciduous perennial forming a bold clump of narrow foliage to about 1m. The large, usually double, flowers, up to 15cm across, are soft orange with red markings and a yellow throat, produced in mid- to late summer

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
West–facing or South–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asphodelaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
TOXIC to pets (cats) - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus
Hemerocallis may be evergreen or herbaceous perennials, with narrow, strap-shaped leaves and funnel-shaped flowers on erect stems in late spring or early summer
Name Status
Accepted

How to Grow

Cultivation

Grow in fertile, moist but well-drained soil preferably in full sun. Flowering is likely to be poor in shadier situations. Tolerant of heavy clay and poorer soils. May need watering in spring to early summer in dry conditions to ensure flowering. See Hemerocallis cultivation for further details

Propagation

Propagate by division in spring or autumn

Suggested planting locations and garden types

  • City and courtyard gardens
  • Prairie planting
  • Coastal
  • Cottage and informal garden
  • Flower borders and beds

Pruning

Deadheading will improve appearance, and can help reduce hemerocallis gall midge. Cut back flower stems after flowering has finished. Remove dead foliage as required

Pests

May be susceptible to aphids, glasshouse red spider mite, hemerocallis gall midge, slugs, snails and thrips

Diseases

May be susceptible to fungal leaf spot or bacterial leaf and stem rot