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Annual BiennialBedding

Lobularia maritima 'Rosie O'Day'
  • RHS AGM
  • RHS Plants for pollinators

sweet alyssum 'Rosie O'Day'

'Rosie O'Day' is a spreading annual with rounded heads of small, fragrant flowers opening white and fading to rosy-pink with a yellow eye

Size
Ultimate height
Up to 10cm
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring
Summer Pink White
Autumn
Winter
Position
  • Full sun
Aspect

South–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H3
Botanical details
Family
Brassicaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus

Lobularia can be annuals or perennials, of low spreading habit, with simple leaves and short terminal racemes of 4-petalled, fragrant flowers in summer

Name status

Accepted

How to grow

Cultivation

Grow in light, moderately fertile, well-drained soil in full sun. Clip over after flowering to encourage further blooms

Propagation

Propagate by seed sown in situ in late spring

Suggested planting locations and garden types
  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Patio and container plants
  • Wildlife gardens
  • Garden edging
  • Flower borders and beds
  • Underplanting of roses and shrubs
Pruning

Cut back after flowering

Pests

Slugs and flea beetles may be a problem

Diseases

May be subject to a downy mildew, club root and white blister

Get involved

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