Penstemon ‘John Booth’
Description:
David Way & Peter James in The Gardener's Guide to Growing Penstemons list this as having purple-mauve flowers with a pure white throat. Raised by John Booth of Worcestershire before 1970 as a selection from purchased seed. Named and introduced by Eastgrove Cottage Garden Nurseries, Worcestershire, in 1982.
Threat Status:
Threatened In Cultivation
As assessed by the Plant Heritage Threatened Plants Programme. For more details see www.plantheritage.org.uk/conservation/threatened-plants/
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