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Alyssum serpyllifolium

thyme-leaved alison

A mat-forming evergreen perennial with small silver-grey leaves, growing to a height of 6cm. In spring, a profusion of small yellow flowers are borne

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Size
Ultimate height
Up to 10cm
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
°Â±ð±ô±ô–d°ù²¹¾±²Ô±ð»å
pH
Neutral, Alkaline, Acid
Colour & scent
StemFlowerFoliageFruit
Spring White Grey Silver
Summer White Grey Silver
Autumn
Winter
Position
  • Full sun
Aspect

South–facing or °Â±ð²õ³Ù–f²¹³¦¾±²Ô²µ

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Brassicaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Matforming
Genus

Alyssum can be annuals or evergreen perennials or sub-shrubs, with simple leaves and short racemes of small, 4-petalled yellow or white flowers in early summer

Name status

Correct

How to grow

Cultivation

Prefers a sunny, well-drained situation; ideally suited to rock garden conditions, sink troughs, containers, and gravel gardens. See 911±¬ÁÏ advice profile on rock gardening for more details

Propagation

Propagate by softwood cutting or by seed

Suggested planting locations and garden types
  • Cottage and informal garden
  • Gravel garden
  • Patio and container plants
  • Rock garden
  • Wildlife gardens
  • City and courtyard gardens
  • Coastal
  • Low Maintenance
  • Flower borders and beds
  • Garden edging
  • Ground cover
  • Banks and slopes
Pruning

Cut back lightly after flowering

Pests

Generally pest-free

Diseases

Generally disease-free

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