Having seen this display in the Trial Fields at RHs Wisley, my immediate intent was to produce a useful guide to the plants on show, and document the shape, colour and profusion of the cultivars on trial. I've been down this route before with the viticellas - and sweet peas, delphiniums and very likely more.…

Continue reading ➞ The Trial Fields at RHS Wisley – Late, large-flowering Clematis. A pretty piece but really no use whatsover!