I remember on my first ever trip to the US (in August/September 1992) loving the blue/violet and yellow colour scheme of roadside wildflowers, whilst driving the Blue Ridge Parkway in Virginia, and then seeing similar mixes all the way up to Massachusetts. There must be a good reason why so many autumn perennials flower in either one or the other – to do with some combination of light wavelength and bee eyesight. Anyways – the combination is a very effective complementary one. Here is Rudbeckia triloba with Aster puniceus and Verbena bonariensis. The rudbeckia is a short-lived perennial; mine has sharper ray florets than the form usually available here. I got the seed from Prairie Moon in Wisconsin. The Aster I have had for years, the seed I collected originally from a swamp in the Catskills. It is a terrific seeder, but not a root spreader – a very good late summer soft blue. Continue Reading →







