Ultra™ hackberry Celtis occidentalis 'Ulzam' Hackberries are tough, hardy trees, and the breeder claims Ultra™ will prove to be a superior, stronger grower than the species and other selections currently on the market. It is disease free and hardy to zone 3. Ultra' has dark green foliage which turns a pleasing lemon gold fall color. It will reach approximately 12-15 m (40-60 ft.) in height and 12-15 m (40-50 ft.) wide. Incrediball™ hydrangea Hydrangea arborscens 'Abetwo' A new and improved Annabelle hydrangea, with strong beefy stems to support the extremely large flower heads. Each bloom has up to four times the number of flowers as Annabelle hydrangea. Grows 120-150 cm (4-5 ft.) high and wide in full sun to partial shade. Hardy to zone 4. Invincibelle™ Spirit hydrangea Hydrangea arborescens 'NHCA1' There have been some terrific breeding developments in hydrangeas over the past few years, and Invincibelle™ Spirit is a pink flowering form of Annabelle hydrangea. Invincibelle™ Spirit flowers on new growth, so even if the stems die back in winter, you will be rewarded with blooms the following summer right up until frost. Grows 90-150 cm (3-5 ft.) high and 90-120 cm (3-4 ft.) wide in full sun to partial shade. Hardy to zone 4. Boomerang™ purple lilac Syringa x 'Penda' This new reblooming lilac blooms in spring, then in mid-summer until first frost. Grows 120-150 cm (4-5 ft.) high and wide with a nice compact habit for small sunny gardens. Hardy to zone 4. Knighthood™ viburnum/black haw Viburnum prunifolium 'Knizam' This native Viburnum has thick, glossy hunter-green leaves that turn a crimson-red in the fall coloring even before dwarf burning bush! Upright vase shaped, it can also be grown as a small tree making it a perfect alternate to serviceberries. It is drought- and wet-tolerant as well as disease resistant — no mildew! Hardy to zone 4, it reaches 3.6-4.5 m (12-15 ft.) in height and 1.8-2.4 m (6-8 ft.) in width. Ghost™ weigela Weigela florida 'Carlton' Looking for an unusual splash of colour for your shrub border — Ghost™ will deliver with dark reddish-pink flowers in spring that rebloom in the summer months. Named for the greenish yellow foliage that gradually turns to an iridescent buttercream throughout the season. Grows 120-150 cm (4-5 ft.) high and wide. Grows well in sun to partial shade — foliage does not burn. Hardy to zone 5.