Hardy Plumbago

Ceratostigma willmottianum Forest Blue

• Position: full sun
• Soil: fertile, light, moist but well-drained soil
• Rate of growth: fast-growing
• Flowering period: August to October
• Hardiness: fully hardy
  
  This spreading, deciduous shrub brings welcome colour to the garden in late summer and early autumn when many other flowers have gone over. Masses of disc-shaped, vivid cobalt-blue flowers appear from August to October, and in autumn, the leaves turn a rich russet-red. It's best in towards the front of a sheltered, sunny border in soil that does not get too dry.
  
  
• Garden care: In early or mid-spring cut back the flowered shoots to within 2.5cm (1in) of the old growth. After pruning apply a generous 5-7cm mulch of well-rotted garden compost or manure around the base of the plant.

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