Shrub Frangula alnus 'Ron Williams' [sold as Fine Line®] [Fine Line Glossy Buckthorn] Though the name buckthorn is forever a synonym of invasiveness, this cultivar gives the species a round of redemption. Fine Line is a hybrid of the cultivars of R. frangula 'Aspleniifolia' and 'Columnaris', giving its distinct upright habit and the glossy dark green leaves. Though Fine Line will flower and fruit, the seed viability extremely low, removing the invasive threat.
Shrub Hamamelis × intermedia 'Sunburst' [Sunburst Witchhazel] The Sunburst Witchhazel is a large, vase-shaped deciduous shrub that produces a profusion of interesting, strap-like lemon-yellow and red flowers in mid to late winter.
Shrub Hibiscus syriacus 'Diana' [Diana Rose-of-Sharon] The white flowers of 'Diana' are born on new growth, so heavy pruning in the spring enhances blooming later that summer. Pruning to functional size of 4-5' produces excellent habit and flowering. Becomes leggy with age if not pruned. Prune hard when young to promote more branching. Occasionally, stems are killed back in winter; nevertheless, flowering on new growth is not reduced. Generally not the best for solid screening. Late to leaf out in spring.…
Shrub Hibiscus syriacus 'Minerva' [Minerva Rose of Sharon] Minerva Rose of Sharon blooms in early summer featuring showy flowers that appear lavender with a pink hue and red eye.
Shrub Hibiscus syriacus 'Morning Star' [Morning Star Rose-of-Sharon] 'Morning Star' has showy white flowers with a red eye and anemone center. Flowers are born on new growth, so heavy pruning in the spring enhances blooming later that summer. Pruning to functional size of 4-5' produces excellent habit and flowering. Becomes leggy with age if not pruned. Prune hard when young to promote more branching. Occasionally, stems are killed back in winter; nevertheless, flowering on new growth is not reduced. Generally not the best…
Shrub Indiana Native Hydrangea arborescens [Smooth Hydrangea] The Smooth Hydrangea is an Indiana native found along woodlands and waterways with rocky soils. The flowers of Hydrangea arborescens can be large and heavy, bending stems to the ground. Best used in a shady area or along foundations of buildings for some support. This plant often gets cut back hard to the ground in late winter to maintain a neat look and to promote vigorous flowering the following summer. Hydrangea arborescens is a fast…
Shrub Hydrangea arborescens 'Abetwo' [sold as Incrediball®] [Incrediball® Smooth Hydrangea] Improved version of the 'Annabelle' cultivar
Shrub Hydrangea arborescens 'Annabelle' [Annabelle Smooth Hydrangea] The Annabelle Smooth Hydrangea is a very popular cultivar that produces large (much larger than the straight species), upright globular heads of sterile, white flowers in June. Tops usually die back in extreme Northern regions of its hardiness zone (including Zones 4 and 5). However, flowers are on new wood, and they still appear when tops are winter killed, or plants are pruned to ground. Winter killed branches need removal. Not drought tolerant. Poor, coarse…
Shrub Hydrangea arborescens 'NCHA1' [sold as Invincibelle® Spirit] [Invincibelle Spirit Smooth Hydrangea] The Invincibelle Spirit Smooth Hydrangea produces large (larger than the straight species), upright globular heads of sterile, pink flowers in June. Tops usually die back in extreme Northern regions of its hardiness zone (including Zones 4 and 5). However, flowers are on new wood, and they still appear when tops are winter killed, or plants are pruned to ground. Winter killed branches need removal. Not drought tolerant. Poor, coarse form in the winter landscape. Many…
