C. integrifolia. The variety hender-sonii is quite the best form of this unusual herbaceous, non-climbing. Though are somewhat lax, an established plant makes an attractive from June to August and can be safely left to itself for many years. It is perfectly hardy and can be divided, as can the more robust C. heraclifolia types, of which C. ‘Oe-pescule’ is a very good variety. The sky blue on erect 3-4 feet bushes, have curled back petals, faintly perfumed and keep on for many weeks after mid-summer. These are two out of the ordinary subjects which please their owners and intrigue visitors unfamiliar with them.
CLEMATIS integrifolia hendersonii