Suitable for containers or in the ground, 2 flushes per year. The well-rounded 4-5 inch double flowers have navy blue outer layer petals, topped with many layers of shorter, pointed, reddish-purple petals. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition.This is a relatively low maintenance woody vine. Multi Blue Clematis is a multi-stemmed deciduous woody vine with a twining and trailing habit of growth. (Clematis) Clematis ‘Multi Blue’ is an excellent large flowering variety of clematis that is a sport of Clematis ‘The President’. Here is a link that might be useful: Multi Blue Clematis. Clematis Multi Blue This amazing Clematis provides a kaleidoscope of colors, blooming once in late spring and again in late summer. Multi purpose room that seems to never get done. Like; Save; Related Discussions. The blooms range from 4" to 5" in hues of lilac-blue, then turn deep violet-blue with a central cluster of pale blue petals. Clematis Multi-Blue has blooms as big as the average hand at 4-6" dia. And no, definitely not too matchy-matchy. - Clematis Multi-Blue: Double Flowered plant: Also suitable for containers: Sent out in Large 2 litre pots, (8 inches deep x 5 inches wide) Comments (37) I'm genuinely excited to see how those lamps will liven up your space!