Penstemon heterophyllus 'Heavenly Blue'
Find out how to grow Penstemon heterophyllus 'Heavenly Blue' Penstemons are better known as summer-flowering border perennials, but the genus includes a few woody shrublets which are perfect for rock gardens and front-of-border positions. P. ... [... more]
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Ballota pseudodictamnus
Ballota is a small genus which includes a few dwarf shrubs or subshrubs, almost border perennials in appearance and originating mainly in Greece and the eastern Mediterranean. This species is a neat and attractive foliage plant, evergreen except ... [... more]
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Verbascum 'Cotswold Queen'
Verbascums are stately, tall, upright-growing, border perennials that are ideal for adding height and structure to planting schemes. 'Cotswold Queen is a tall variety with deeply-veined leaves and a pinkish-purple eye. It will fit into both ... [... more]
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