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Penstemon 'Garnet' (Syn. Penstemon 'Andenken an Friedrich Hahn')
Penstemon 'Garnet' (Syn. Penstemon 'Andenken an Friedrich Hahn'): Wine-red tubular flowers with white throat markings and narrow leaves. Semi-evergreen in milder areas. Protect from hard frosts.
Penstemon 'Schoenholzeri'
Penstemon 'Schoenholzeri': Brilliant scarlet tubular flowers, slender leaves.
Penstemon 'Sour Grapes' (Syn. Stapleford Gem)
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.

Found 3 matches:

Aspect: Part-shade [ X ]
Soil: Normal [ X ]
Flowering: Mid Summer [ X ]
Type: Frost-hardy peren [ X ]

Main Flower Colour

Purple (1)
Red (2)

Height when grown

30cm to 60cm (2)
60cm to 90cm (1)

Spread Rate

Moderate (1)
Slow (2)