Morisia monanthos

RHS Plant Profile
morisia

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morisia RHS

Synonyms

Morisia hypogaea

Alpine Rockery
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A small perennial forming rosettes of pinnately lobed leaves, with bright yellow flowers 1.5cm wide opening in late spring and early summer

Position

Full sun

Soil Types

Sand

Max Height

Up to 10 cm

Max Spread

0-0.1 metre

Size

Time to Maturity
1–2 years
Max Spread
0-0.1 metre
Max Height
Up to 10 cm

Growing Conditions

Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
West–facing or South–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)
H4

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Brassicaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Matforming
Genus
Morisia is a tap-rooted perennial forming a rosette of pinnately lobed leaves, with bright yellow, 4-petalled flowers
Name Status
Correct
Plant Range
Corsica, Sardinia

How to Grow

Cultivation

Grow in sharply-drained soil in full sun; protect from excessive winter wet. Under glass use a mix of equal parts peat-free, loam-based potting compost and grit

Propagation

Propagate by seed in containers in a coldframe in spring or insert root cuttings in a in a cold frame in winter

Suggested planting locations and garden types

  • Gravel garden
  • Patio and container plants
  • Rock garden

Pruning

No pruning required

Pests

Generally pest-free

Diseases

May be susceptible to neck rot in very damp conditions