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Penstemon 'Whitethroat' Ron Sidwell Form

£8.00

Sold out



A bold coloured Penstemon raised by Ron Sidwell in the 1960's. A good upright grower with shiny dark green leaves. 

  • Colour: cerise            
  • Throat: unmarked white
  • Height: 90cm (3ft)
  • Earliest record: 1960’s

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