Just as beautiful as it39s namesake the clematis 39princess diana39 boasts eye catching magenta pink blooms that are very similar to the shape of tulips the stunning pink shade is highlighted by the wispy creamy yellow stamens clematis 39princess diana39 is a late flowering texensis cultivar giving interest from mid45summer through to autumn and requires cutting back to almost ground level to maintain it from year to year height 4m 40123941 spread 1m 40339