Salvia × sylvestris Blue Marvel ('Balsalarv'PBR)

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wood sage [Blue Marvel]

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wood sage [Blue Marvel] visionspictures.com
wood sage [Blue Marvel] RHS

Synonyms

Salvia × sylvestris 'Balsalarv'PBR
Salvia nemorosa 'Blue Marvel'

Plants for pollinators
Herbaceous Perennial
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A compact, bushy perennial with aromatic mid-green foliage. Erect flower stems of bright blue flowers appear from summer through to the autumn

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

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

Growing Conditions

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

Position

Full sun Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or 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)
H7

Colour & Scent

Fragrance Foliage
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
Trade

How to Grow

Cultivation

Grow in fertile,humus-rich moist but well drained soil in full sun or light dappled shade

Propagation

Propagate by basal or softwood cuttings in early spring or mid summer. Semi-ripe cuttings in late summer or early autumn. Rooted cuttings will need winter protection in cold frame or cold greenhouse. Only propagate for own use as this plant has a PBR

Suggested planting locations and garden types

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

Pruning

Cut back in spring when new growth appears. Dead-head faded flowerspikes regulary 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