Salvia tachiei hort.

RHS Plant Profile
indigo woodland sage

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indigo woodland sage RHS
indigo woodland sage RHS
indigo woodland sage RHS

Synonyms

Salvia tachiei hort.

Plants for pollinators
Herbaceous Perennial
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A bushy perennial to 90cm tall, with lyre-shaped or ovate leaves to 30cm long, and long spikes of violet flowers with white tubes, opening in summer and early autumn

Position

Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

Partial shade
Aspect
North–facing or West–facing or East–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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Lamiaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
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
Balkans & N Turkey

How to Grow

Cultivation

Best grown in any light, moderately fertile, moist but well-drained soil in partial shade

Propagation

Propagate by seed in spring or divide established clumps; Take softwood cuttings in spring or early summer or semi-ripe cuttings in late summer and autumn

Suggested planting locations and garden types

  • City and courtyard gardens
  • Coastal
  • Patio and container plants
  • Cottage and informal garden
  • Wildlife gardens
  • Flower borders and beds
  • Wall side borders

Pruning

Cut back spent flower spikes to prolong flowering

Pests

May be susceptible to leafhoppers, slugs and snails

Diseases

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