Its uniquely hued, outward-facing blooms open by late spring and then, in a bit smaller form, return in fall. Although this is a bush clematis, the 2½–3" flowers are as large as those found on a vine clematis, and will benefit from staking, a garden obelisk or the support of nearby plants. Blooms have darker blue midribs and lighter margins. Clematis 'Rain Dance' PPAF