Lewisiopsis tweedyi 'Rosea'

RHS Plant Profile
Tweedy's lewisia 'Rosea'

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Tweedy's lewisia 'Rosea' RHS

Synonyms

Lewisia tweedyi 'Rosea'

Alpine Rockery
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An evergreen perennial producing low rosettes of fleshy leaves. The flowers, produced on 15cm stems in late spring and early summer, are lemon-yellow in the centre, shading to rose-pink at the margins

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
2–5 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 East–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)
H3

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Montiaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Tufted
Genus
A genus of one species of flowering plant, endemic to the rocky regions of western North America and British Columbia, with oval-shaped, leathery, glossy, dark green foliage and coral, apricot, yellow or pink flowers which appear from spring to summer
Name Status
Accepted

How to Grow

Cultivation

Grow in moderately fertile, humus-rich, very well-drained, neutral to acid soil in light shade; a gravel top dressing helps to keep foliage dry. Protect from winter wet. Suitable for cultivation in a container in an alpine house

Propagation

Propagate by removing offsets in early summer

Suggested planting locations and garden types

  • Rock garden
  • Patio and container plants

Pruning

Deadhead after flowering

Pests

May be susceptible to aphids under glass and to slugs and snails outdoors

Diseases

Prone to neck rot in wet conditions