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Salvia guaranitica 'Blue Enigma' AGM

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© RHS 1996

Characteristics

Plant type

Herbaceous Perennial

Habit

Bushy

Resilience

Hardiness

H4 (hardy - average winter)

Colour

Flower

Dark Blue in Autumn and Summer

Foliage

Green in Autumn, Spring and Summer

Size

Ultimate height

1-1.5 metres

Ultimate spread

0.5-1 metres

Time to ultimate height

2-5 years


Preferred common name

anise-scented sage 'Blue Enigma'

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

'Blue Enigma' is a tall perennial with ovate leaves and terminal and axillary spikes of deep blue, two-lipped flowers 5cm in length, in late summer and autumn

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing or East-facing
  • Sheltered

Cultivation

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

Soil

  • Moist but well-drained
  • Acid, Alkaline or Neutral
  • Chalk, Loam or Sand

Propagation

Propagate by basal cuttings or softwood cuttings in spring or early summer or semi-hardwood cuttings in late summer or autumn with bottom heat

Suggested planting locations and garden types

City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Flower borders and beds, Mediterranean Climate Plants or Wall-side Borders


How to care

Pruning

Pruning group 9 in spring

Pests

Generally pest free

Diseases

Generally disease free