Salvia officinalis 'Berggarten Silver'

RHS Plant Profile

sage 'Berggarten'

Synonyms

Salvia officinalis 'Berggarten Silver', Salvia officinalis 'Herrenhausen'

Herbs - Culinary Herbaceous Perennial

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A compact, spreading evergreen sub-shrub to 60cm tall, with very aromatic, broad, grey-green leaves. Large, pale, violet-blue flowers appear on upright stems from May through to August

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

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

Growing Conditions

Chalk Loam Sand

Moisture: Well–drained or Moist but 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): H5

Colour & Scent

Fragrance Foliage

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Lamiaceae
Native to GB/Ireland: No
Foliage: Evergreen
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: Synonym

How to Grow

Cultivation

Thrives in a sunny spot, in moderately fertile soil with good drainage. Drought tolerant once established. Protect from excess winter wet. See sage cultivation

Propagation

Propagate by softwood cuttings in early summer

Suggested planting locations and garden types

Coastal
Cottage and informal garden
Patio and container plants
City and courtyard gardens
Mediterranean climate plants
Gravel garden
Flower borders and beds
Wall side borders

Pruning

pruning group 9 in spring. Cut back flower spikes after flowering to keep plants compact

Pests

May be susceptible to rosemary beetle, sage leafhopper and capsid bug

Diseases

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