Lloydia serotina

RHS Plant Profile

Snowdon lily

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Other common names

alpine lily, mountain spiderwort

Synonyms

Anthericum serotinum

Bulbs

A very rare, native, bulbous perennial found (in the British Isles) only on Snowdon. The leaves are fine and rush-like, 10-20cm long and the flowers bell-shaped with six white petals veined in purple, appearing in June

Position

Full sun

Soil Types

Loam, Sand

Size

Time to Maturity: 2–5 years

Growing Conditions

Loam Sand

Moisture: Moist but well–drained
pH: Alkaline or Neutral

Position

Full sun

Aspect: East–facing or South–facing or West–facing
Exposure: Exposed
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: Liliaceae
Native to GB/Ireland: Yes
Foliage: Deciduous
Habit: Tufted
Genus
Name Status: Correct
Plant Range: Temp. N. Hemisphere

How to Grow

Cultivation

Found in rocky ground on mountainsides, requiring well-drained, neutral to alkaline soil, with good light and protection from excessive winter wet, for example in a rock garden or alpine house

Propagation

See bulb propagation, or propagate by seed

Suggested planting locations and garden types

Rock garden

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free