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Herbaceous Perennial

Hemerocallis dumortieri

copper lily

A clump-forming, compact perennial, to 60cm tall, with narrow, erect leaves. In summer, deep orange perfumed flowers, up to 10cm across, emerge from red-orange buds

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Green
Autumn Green
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H6
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

Correct

Plant range
Far East

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 details

Propagation

Propagate by division in early spring or early autumn. Propagate from seed (indoors or outdoors) in autumn or spring

Suggested planting locations and garden types
  • City and courtyard gardens
  • Prairie planting
  • Coastal
  • Cottage and informal garden
  • Flower borders and beds
Pruning

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

Pests

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

Diseases

Usually tough and reliable but may be affected by fungal leaf spot and rust diseases or bacterial leaf and stem rot

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