Clematis jackmanii

Clematis Jackmanii group: Woody climbers that flower in spring on old wood and/or on new growth in summer and early autumn. Pinnate foliage, rarely with three leaflets or simple. Upright to horizontal or slightly hanging flowers, open or slightly bell-shaped, 6 to 15 cm across. 4-6 tepals, white, red-purple, blue, violet-blue, or purple-violet.
Origin: The varieties are rooted, directly or indirectly, in crosses of Clematis viticella with varieties of the Patens group.
Use: As a climber over large shrubs or conifers. Stems with flowers can be used in arrangements.
Pruning: Hard pruning to 20 cm in late winter. Varieties that also flower on old wood can also be pruned after the spring flowering.
Resistance: Some varieties are susceptible to clematis wilt.
Hardiness zone: 5, very hardy in Germany.
Planting depth: 5 cm deeper than in the pot.