Royal Red' is a large deciduous shrub with arching branches of lance-shaped leaves, whitish beneath, and long panicles of rich purple-red, scented flowers Growing Details Genus: Buddleia Species: Davidii Cultivar: 'Royal Red' Skill Level: Beginner Exposure: Partial shade, Shade Hardiness: Hardy Soil type: Well-drained/light, Dry, Moist Height: 300cm Spread: 300cm Description Buddleja can be evergreen or deciduous shrubs, occasionally trees or scrambling climbers with simple leaves and panicles of small, tubular fragrant flowers.Flowers scented, striking white, in elongated panicles at tips of current year's growth.