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Penstemon 'Thundercloud'


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A bold tall upright grower with purple blue flowers. Very tall growing with an erect habit.

  • Colour: Purple blue flowers
  • Throat: marked throat
  • Height: 120cm (4ft)                    
  • Earliest record: 2005

Cultivation Do's and Dont's

o    Do deadhead regularly
o    Don’t prune until spring
o    Do prune old growth when new shoots are 3-4” long
o    Do add organic matter or grit if planting in heavy wet soil
o    Do plant in a sunny position
o    Do enjoy the flowers from June to October