Osteospermum 'Nairobi Purple'

RHS Plant Profile

African daisy 'Nairobi Purple'

Synonyms

Dimorphotheca 'Nairobi Purple', Osteospermum 'African Queen', Osteospermum 'Peggyi', Osteospermum 'Port Wine', Osteospermum 'Tresco Peggy', Osteospermum 'Tresco Purple', Osteospermum 'Wine Purple'

Herbaceous Perennial

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A spreading evergreen perennial, with ovate, slightly toothed green leaves, and bright purple daisy-like flowers with deep purple central discs, from early summer to early 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
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: Asteraceae
Native to GB/Ireland: No
Foliage: 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: Osteospermum can be annuals, perennials or sub-shrubs, with aromatic, evergreen, simple or lobed leaves and showy daisy-like flowers over a long period from late spring
Name Status: Accepted

How to Grow

Cultivation

Grow in light, well-drained soil in a warm, sheltered site. In frost-prone areas, grow as an annual or overwinter in frost-free conditions

Propagation

Propagate by seed, softwood cuttings in late spring, or semi-hardwood cuttings in late summer

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Patio and container plants
Bedding
Flower borders and beds

Pruning

deadhead regularly to prolong flowering

Pests

May be susceptible to aphids

Diseases

May be susceptible to downy mildews and Verticillium wilt