Arthropodium cirratum

RHS Plant Profile

rock lily

RHS

Other common names

New Zealand fringed lily, Rienga lily

Conservatory Greenhouse Herbaceous Perennial

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An evergreen perennial forming a clump of glossy, narrowly lance-shaped leaves, grey-green on the lower surface, with loose sprays of small, starry white flowers in early summer

Position

Full sun

Soil Types

Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 0.5-1 metres

Growing Conditions

Loam Sand

Moisture: Well–drained
pH: Acid or Neutral

Position

Full sun

Aspect: South–facing or West–facing
Exposure: 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): H3

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asparagaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Suckering
Genus: Arthropodium are rhizomatous perennials with evergreen or deciduous linear to lance-shaped leaves and panicles or racemes of small, star-shaped flowers
Name Status: Correct
Plant Range: New Zealand

How to Grow

Cultivation

Grow in fertile, well-drained soil in full sun; in frost-prone areas best grown at the base of a warm sunny wall. Under glass grow in peat-free, loam-based potting compost with added sharp sand, in full light. Water moderately in growth and apply liquid fertiliser monthly and water sparingly in winter

Propagation

Propagate by seed in containers in a cold frame in autumn or early spring. Divide in spring. Overwinter young plants under glass

Suggested planting locations and garden types

City and courtyard gardens
Wall side borders
Underplanting of roses and shrubs

Pruning

No pruning required

Pests

May be susceptible to slugs and snails

Diseases

Generally disease-free