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Argyranthemum 'Whiteknights'
  • RHS AGM

marguerite 'Whiteknights'

An evergreen perennial to 60cm, woody at base, with finely divided greyish leaves and small, single white daisies with yellow centres

Size
Ultimate height
0.5–1 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring White Green Grey Silver
Summer White Green Grey Silver
Autumn White Green Grey Silver
Winter Green Grey Silver
Position
  • Full sun
Aspect

South–facing or East–facing

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H2
Botanical details
Family
Asteraceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
Genus

Argyranthemum are evergreen woody-based perennials or sub-shrubs, with simple or pinnately dissected leaves and white, yellow or pink, daisy-like flower-heads from late spring to autumn

Name status

Accepted

How to grow

Cultivation

Grow in moderately fertile, well-drained soil in full sun. Deadhead regularly to prolong flowering and pinch growing tips to keep compact. Mulching may protect rootstock from frost, and helps to conserve water. Water in prolonged dry spells

Propagation

Root softwood cuttings in spring, and semi-hardwood cuttings of non-flowering shoots at other times

Suggested planting locations and garden types
  • Coastal
  • City and courtyard gardens
  • Patio and container plants
  • Mediterranean climate plants
  • Flower borders and beds
  • Wall side borders
Pruning

Deadhead regularly, pruning group 10

Pests

Leaf miners may be a problem

Diseases

Crown gall is an occasional problem

Get involved

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