Flower Color: Orange Flower Form: Tubular Cluster Flowering Period: Early Summer-Fall Mature Height: 8-20′(3-6m) Pruning Requirement: Prune to Shape Planting Aspect: Full Sun Cold Tolerance: USDA Zone 3 Price Group: 2 About Lonicera mandarin This royalty protected variety was introduced in 1998. This vigorous deciduous vine boasts 2.5″(7cm) long tubular flowers in May and June then periodically throughout the summer. Foliage is an attractive copper color in spring before maturing to deep green in summer.