Flower Color: Pink and Yellow Flower Form: Tubular Cluster Flowering Period: Spring-Summer Mature Height: 8-20′(3-6m) Pruning Requirement: Prune to Shape Planting Aspect: Full Sun Cold Tolerance: USDA Zone 5 Price Group: Standard About Lonicera periclymenum Belgica Large fragrant tubular purple/red fading to yellow/red flowers in May and June and again in late summer. Best in light shade, it tolerates most positions in the garden.