Dimorphotheca Astra Rose White ('Floroswhipi'PBR) (Astra Series)

RHS Plant Profile
African daisy [Astra Rose White]

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Synonyms

Dimorphotheca 'Floroswhipi'
Osteospermum 'Floroswhipi'PBR
Osteospermum Astra Rose White (Astra Series)PBR

Plants for pollinators
Annual Biennial
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A compact, mound-forming, half-hardy biennial to 30cm in height with sparsely toothed, spoon-shaped, glossy, mid green leaves and daisy-like pink flowers, fading to white at the base, with a central blue eye, from summer into autumn

Position

Full sun

Soil Types

Chalk, 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

Chalk Loam Sand
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

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

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Asteraceae
Native to GB/Ireland
No
Foliage
Semi evergreen
Habit
Bushy
Potentially harmful
Pets (rabbits, rodents): Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus
Dimorhotheca can be annuals or woody-based, evergreen perennials with simple, alternate leaves and large daisy-like flower-heads in summer and autumn
Name Status
Trade

How to Grow

Cultivation

Grow in light, moderately fertile, well-drained soil in a warm, sunny position. Tolerate poor soil, salt or drought. In frosty areas overwinter cuttings under glass

Propagation

Propagate by softwood cuttings in late spring or semi-hardwood cuttings in late summer from non-flowering shoots, protect from frost over winter and plant out after all chance of frosts is past

Suggested planting locations and garden types

  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Gravel garden
  • Mediterranean climate plants
  • Patio and container plants
  • Bedding
  • Conservatory and greenhouse
  • Flower borders and beds

Pruning

Deadhead regularly and tidy in spring. No pruning required

Pests

May be susceptible to aphids

Diseases

May be susceptible to downy mildews and Verticillium wilt