We're sorry to report, that due to moving and building our nursery, we will have to delay our mail order venture.   Availability of plants will be shown from September 2021, for Spring 2022 despatch. Our penstemon and perennials will be ready from April and will be sent out in rotation from order received. Many thanks for your patience. 

The nursery will be open to the public during August on Thursdays, Fridays and Saturdays.  We will be closed during RHS shows. 

Penstemon 'Sour Grapes'


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A very popular variety that has unfortunately been wrongly labeled for years. Stapleford Gem has been sold as Sour Grapes.
The flower colour of proper Sour Grapes dark cobalt with a marked throat. Very distinctive.
  • Colour: darker than cobalt, some flowers dull violet blue                
  • Throat: white but with strongly defined markings in maroon
  • Height: 75cm (ft)
  • Earliest record: 1930’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