Not the plant you're looking for? Search over 300,000 plants
BeddingHerbaceous Perennial

Salvia patens 'Cambridge Blue'
  • RHS AGM
  • RHS Plants for pollinators

gentian sage 'Cambridge Blue'

'Cambridge Blue' is a tuberous-rooted herbaceous perennial to 75cm in height, with large, oval, pale green leaves and slender spikes of light blue, two-lipped flowers 2.5cm across

Buy this plant
Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Blue Green
Autumn Blue Green
Winter
Position
  • Full sun
Aspect

South–facing

Exposure
Sheltered
Hardiness
H3
Botanical details
Family
Lamiaceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
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

Accepted

How to grow

Cultivation

Best grown in humus-rich, moist but well-drained soil in sun, shelter from cold winds

Propagation

Propagate by seed

Suggested planting locations and garden types
  • Cottage and informal garden
  • Flower borders and beds
Pruning

No pruning required

Pests

May get slugs, snails and leafhoppers

Diseases

Generally disease free

My Garden

Your free RHS gardening coach

Keep track of your plants with reminders & care tips – all to help you grow successfully

My plants
My calendar

My plants

My calendar

My ideas
Manage membership

My ideas

My advice

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.