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Salvia argentea

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© RHS 2002

Characteristics

Plant type

Herbaceous Perennial

Habit

Clump-forming

Resilience

Hardiness

H4 (hardy - average winter)

Colour

Flower

White in Summer

Foliage

Grey/Silver in Autumn, Spring and Summer

Size

Ultimate height

0.5-1 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

2-5 years


Preferred common name

silver sage

Family

Lamiaceae


Salvia can be annuals, biennials, herbaceous or evergreen perennials, or shrubs. They have paired, simple or pinnately lobed, often aromatic leaves and 2-lipped flowers in whorls, forming simple or branched spikes or racemes

S. argentea is a biennial or short-lived perennial, forming a rosette of broadly ovate, silvery-woolly leaves to 20cm in length, with erect stems bearing panicles of blush-white flowers in late summer

Other common names

  • silver clary
  • silvery clary
  • silvery-leaved sage

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing
  • Exposed or Sheltered

Cultivation

Grow in light, moderately fertile, humus-rich, moist but well-drained soil. Best in full sun but can tolerate light partial shade

Soil

  • Well-drained
  • Acid, Alkaline or Neutral
  • Sand, Loam or Chalk

Propagation

Propagate by seed in pots in a cold frame in spring

Suggested planting locations and garden types

Flower borders and beds, Mediterranean Climate Plants, Wall-side Borders or Gravel Garden


How to care

Pruning

Often dies after flowering so if you grow it for its foliage, remove flowers before they open

Pests

May get slugs, snails and leafhoppers

Diseases

Generally disease free