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Herbaceous Perennial

Hemerocallis 'Double Firecracker' (d)

daylily 'Double Firecracker'

An herbaceous perennial that reaches approximately 58cm in height when in flower. It forms a clump of arching, strap-like, green leaves and double, bright red flowers with a gold-green throat to 13cm across in summer

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Ultimate height

0.5–1 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or West–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)

Botanical details

Family: Asphodelaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Clump forming
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 or daylily cultivation for details

Propagation

Propagate by division in early spring or early autumn

Suggested planting locations and garden types

Cottage and informal garden
Coastal
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

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

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