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  • Eventual height: 0.6m
  • Eventual spread: 0.45m

Salvia patens

gentian sage

RHS award of garden merit
3 × 9cm pots £23.97 £19.99
£23.97 £19.99

This perennial dies back to below ground level each year in autumn, then fresh new growth appears again in spring.

  • Position: full light (with shade from hot sun)
  • Soil: well-drained
  • Rate of growth: average
  • Flowering period: July to September
  • Hardiness: frost hardy (needs winter protection)

    Producing a spectacular display from midsummer to mid-autumn, when the larger than average, piercing blue flowers appear, this gentian sage will thrive in sheltered, sunny gardens with well-drained soils.

  • Garden care: To prolong flowering remove the flower spikes as soon as they start to fade. Apply a generous 5-7cm (2-3in) mulch of well-rotted garden compost or manure around the base of the plant in spring.