Clematis texensis

Clematis Texensis group: Woody climbers that flower on the new growth in summer or early autumn. Upright, tulip-shaped flowers 4 to 10 cm in diameter. 4-6 rather thick tepals in purple-red.
Origin: The varieties have their roots in Cl. texensis, crossed with varieties from the Jackmanii or Patens group.
Use: As climbers, also over large shrubs or conifers. The flowers can be cut but last only a few days.
Pruning: Hard pruning to 20 cm in late winter.
Resistance: Most varieties are slightly susceptible to powdery mildew.
Hardiness zone: 7, hardy in Germany, possibly problematic in harsh locations.
Planting depth: 5 cm deeper than in the pot.