Royalty Purple-blue 4-6″ (10-15cm) double blooms in May and June followed by single blooms later in the summer. Mature height 6-9′ (2-3m). Pruning group B1. Vines are shipped and sold as well-rooted starter plants Flower Color Purple FlowerSize 4-6″ (10-15cm) Flowering Period May June & Sept Mature Height 6-9′ (2-3m) Planting Aspect Sun/ Partial Shade Foliage Deciduous Zone 4 Suitable for Containers Yes Other Great as Cut Flowers