Purple-blue tubular flowers with a metallic sheen and patches of white in the throat. Semi-evergreen in milder areas. Protect from hard frosts. Take cuttings in late summer as a back-up. To 60cm.
At a glance
Common Name
Syn. Stapleford Gem
Type
Frost-hardy perennial
Height
30cm to 60cm
Colour
Purple
Spread Rate
Moderate
Flowering
Mid Summer
Soil Type
Normal, Drained, Dry
Aspect
Part-shade, Sun
Pollination
Attractive to pollinators
Awards
RHS AGM Award
Sorry, this plant is out of stock
Penstemon 'Sour Grapes' (Syn. Stapleford Gem): Purple-blue tubular flowers with a metallic sheen and patches of white in the throat. Protect from hard frosts. To 60cm.