Clematis 'Red Cardinal' has 4-6 inch, ... Clematis 'Red Cardinal' ('Rouge Cardinal') Common Name: Clematis. Botanical Name: Clematis 'Rouge Cardinal' Form: Vine Sun Exposure: Full Sun, Partial Shade Height/Habit: 6 - 10 feet Spread: 36 - 48 inches Spacing: 4 - 6 feet Hardiness Zone: 4-8 Flowering Date: Blooms from early summer to early fall Planting Instructions: GREEN group vining clematis (potted, dormant or bareroot) should be planted 2-4" deeper than the current crown. The Cardinal Rouge variety (lat.Cardinal Rouge) is a large-flowered variety. With good care, clematis blooms profusely and for a long time - from mid-summer to early autumn. If there is a shortage of organic shelter, flower or agrofibre cover the flower. Before wintering, the bush is cut off completely, as belonging to the III pruning group. 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. On the clematis video "Rouge Cardinal" and "Justa": Diseases and pests Rouge Cardinal Clematis is a multi-stemmed deciduous woody vine with a twining and trailing habit of growth. It is planted against a lattice that is exposed on both sides. Pine branches are laid on top. The remaining shoots of the vine after hilling the ground fall asleep dry leaves. I am in Zone 3B in Western Canada. A and C group clematis do very well here.This clematis is now 3 years old and gives a wonderful display. For clematis Rouge Cardinal, the trim group is suitable for the third. Negative: On Jun 12, 2005, teatimer from Lavrica, Slovenia (Zone 7a) wrote: