Lewisia cotyledon Elise Series

RHS Plant Profile

Siskiyou lewisia [Elise Mixed]

Synonyms

Lewisia cotyledon Elise Mixed

Alpine Rockery

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A clump-forming perennial, with fleshy rosettes of dark green leaves. Flowers prolifically for a long period if deadheaded regularly from spring to summer. Flowers range from pink, orange, yellow and white.

Position

Partial shade

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

Loam Sand

Moisture: Well–drained
pH: Acid or Neutral

Position

Partial shade

Aspect: West–facing or South–facing or East–facing or North–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): H4
Drought Resistance: Yes

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Montiaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Clump forming, Tufted
Genus: Lewisia can be herbaceous or evergreen perennials forming rosettes of fleshy leaves, with panicles of open funnel-shaped flowers in a wide range of colours in spring and summer
Name Status: Accepted

How to Grow

Cultivation

Grow in moderately fertile, neutral to acid, well-drained soil in light shade. Suitable for the alpine house, rock garden, or in the crevices of a retaining wall. Protect from winter wet.

Propagation

Propagate by separating offsets in early summer.

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Patio and container plants
Mediterranean climate plants
Rock garden
Low Maintenance
Flower borders and beds
Wall side borders

Pruning

Deadhead after flowering.

Pests

May be susceptible to aphids, slugs and snails.

Diseases

May be susceptible to rot in wet conditions