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Penstemon 'Oaklea Red'
Penstemon 'Beckford'
Penstemon 'Lilac and Burgundy'
Penstemon thompsoniae
Penstemon heterophyllus 'Blue Fountain'
Penstemon 'Husum Hills series 130'
Penstemon heterophyllus 'Jeanette'
Penstemon 'Rich Ruby'
Penstemon 'Geoff Hamilton'
Penstemon heterophyllus 'Blue Gem'
Penstemon 'Hidcote Pink'
Penstemon 'Pensham Tayberry Ice' (Pensham Series)
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