Rhodohypoxis milloides

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pink star grass

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Synonyms

Rhodohypoxis baurii palustris

Alpine Rockery Herbaceous Perennial
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A low-growing, clump-forming perennial to 15cm, with upright, narrow, keeled and folded leaves up to 17cm long. The six-petalled, star-shaped flowers are dark red, dark pink or white, up to 3.5cm across and carried over a long period in summer

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

Position

Full sun
Aspect
South–facing or West–facing or East–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)
H3

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Hypoxidaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus
Rhodohypoxis are small clump-forming herbaceous perennials with tufts of hairy, narrowly lance-shaped leaves and solitary star-shaped, white, pink, red or purple flowers in summer
Name Status
Correct
Plant Range
South Africa, Lesotho

How to Grow

Cultivation

Grow in well-drained, moderately fertile, humus-rich, neutral to acid soil in full sun. Protect from excessive winter wet; can be grown in pots in an alpine house

Propagation

Propagate by seed sown in pots as soon as ripe or in spring, germinate at 6-12°C. Propagate by division in late autumn

Suggested planting locations and garden types

  • Gravel garden
  • Patio and container plants
  • Rock garden

Pruning

No pruning required

Pests

May be susceptible to red spider mite and thrips when grown under glass

Diseases

Generally disease-free