Salvia interrupta

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Atlas mountain sage

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Herbaceous Perennial
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A clump-forming herbaceous perennial with bright green, three lobed soft, hairy, fragrant leaves. Blue to mauve flowers with a white throat appear in pairs or sometimes whorls on tall green-grey stems above the foliage from spring through to summer, sometimes flowering on into the autumn if dead-headed. Drought-tolerant once established

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
1-1.5 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
Drought Resistance
Yes

Colour & Scent

Fragrance Foliage
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Lamiaceae
Native to GB/Ireland
No
Foliage
Semi evergreen
Habit
Clump forming, Bushy
Genus
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
Name Status
Correct
Plant Range
Morocco

How to Grow

Cultivation

Grow in moderately fertile, moist but well-drained soil in full sun, although this variety will tolerate a little shade. See our video How to care for tender salvia for more advice

Propagation

Propagate by softwood cuttings in 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
  • Wildlife gardens
  • Coastal
  • Flower borders and beds
  • Wall side borders
  • Conservatory and greenhouse

Pruning

Cut back spent flower spikes to prolong flowering

Pests

May be susceptible to slugs, snails and glasshouse leafhopper

Diseases

May be susceptible to honey fungus (rarely), powdery mildews, verticillium wilt and foot and root rots