Leucogenes grandiceps

RHS Plant Profile
New Zealand edelweiss

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Synonyms

× Leucoraoulia grandiceps

Alpine Rockery Herbaceous Perennial
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A mat-forming perennial to around 15cms high, with a woody base and semi-upright stems wrapped in small, overlapping wedge-shaped leaves covered in soft, downy silver hairs. In early summer, produces small, flat yellow flower heads surrounded by woolly white bracts at the tips of the stems

Position

Full sun

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
Moist but well–drained or Well–drained
pH
Acid or Neutral or Alkaline

Position

Full sun
Aspect
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)
H4

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Matforming, Spreading branched
Genus
A genus of woody, evergreen perennials native to New Zealand with silvery-green fleshy foliage and small, tubular, white Edelweiss-like flowers with yellow centres
Name Status
Correct
Plant Range
New Zealand (S.Island)

How to Grow

Cultivation

Grow in humus rich, moist but well-drained, gritty soil in full sun. Thrives in a cool, moist climate, dislikes summer heat and winter wet. Ideal for a trough or alpine house

Propagation

Propagate by seed sown as soon as ripe, or by stem tip cuttings in late summer

Suggested planting locations and garden types

  • Gravel garden
  • Patio and container plants
  • Rock garden
  • Banks and slopes

Pruning

No pruning required

Pests

May be susceptible to red spider mite when grown under glass, and to slugs and snails when grown outdoors

Diseases

Generally disease-free