Salvia patens 'Cambridge Blue'


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Key information

Plant type

Tender perennial

Flower colour






Skill level


photo by Claire Davies, copyright GAP Photos (34206)

Plant details

In the warmest gardens, this Mexican species is a fine perennial, dying down in autumn and usually protected with a mulch of bark against winter frosts. Elsewhere it has often been grown as a greenhouse pot plant, and makes an impressive shrubby plant in a 25cm container. It is easily raised from seed, however, for planting out as late summer bedding, particularly effective when the soft 'Cambridge Blue' variety is combined with bedding dahlias. The tuberous roots can be dried and stored like dahlias, to make larger plants in the second year. The Royal Horticultural Society has given it its prestigious Award of Garden Merit (AGM).

Family: Lamiaceae

Genus: Salvia

Species: patens

Cultivar: Cambridge Blue

Plant type: Tender perennial

Flower colour: Blue

Foliage colour: Mid-green

Feature: Flowers

Sun exposure: Full sun, Partial shade

Soil: Well-drained/light, Moist, Sandy

Hardiness: Tender

Skill level: Beginner

Height: 60cm

Spread: 45cm

Time to plant seeds: March to May

Time to take cuttings: August to September

Flowering period: July to September

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