Shrub Hydrangea paniculata 'Ilvobo' [sold as Bobo®] [Bobo Panicle Hydrangea] This particular cultivar of the panicle hydrangea is a small deciduous shrub ranging from 6 to 10' in height and known for its spectacular flower show, beginning in July and lasting through September. The flowers begin as a bright and clean white that slowly matures to a reddish purple. Flowers bloom on the current season's growth, so prune late winter into early spring.
Shrub Hydrangea paniculata 'Tardiva' [Tardiva Panicle Hydrangea] 'Tardiva' has a dense habit and flowers later, in September. Very hardy and adaptable plant, difficult to kill. Remove grown flowers late in fall as they are not attractive.
Shrub Hydrangea quercifolia 'Alison' [Alison Oakleaf Hydrangea] Alison Oakleaf Hydrangea has big panicle white flowers and offers season round interest with exfoliating bark. In fall the large green leaves turn a rich burgundy-red.
Shrub Hydrangea quercifolia 'Pee Wee' [Dwarf Oakleaf Hydrangea] A unique plant with attractive flower panicles and coarse, handsome foliage. 'Pee Wee' is an excellent compact cultivar (up to 3' high and wide) that has smaller leaves and flower panicles than the species type. Tops (including flower buds formed in fall) can die back when winter temperatures go much below – 20 degrees F (often in Zone 6b and colder). Flowers form on previous season's growth. Thus, no flowers will appear in the years…
Shrub Hydrangea quercifolia 'Sike’s Dwarf' [Dwarf Oakleaf Hydrangea] A unique plant with attractive flower panicles and coarse, handsome foliage. 'Sike's Dwarf'' is an excellent compact cultivar (up to 3' high and 4' wide) that has smaller leaves and flower panicles than the species type. Tops (including flower buds formed in fall) can die back when winter temperatures go much below – 20 degrees F (often in Zone 6b and colder). Flowers form on previous season's growth. Thus, no flowers will appear in the…
Shrub Hypericum kalmianum 'Ames' [Ames Kalm St. John's Wort] Hypericum kalmianum 'Ames' is a compact, mounded deciduous shrub that produces attractive, interesting, bright yellow flowers in mid to late summer. 'Ames' is reported to have better winter hardiness than the straight species.
Shrub Hypericum kalmianum 'Gemo' [Gemo Kalm St. John's Wort] Hypericum kalmianum 'Gemo' is a compact, mounded deciduous shrub that produces a profusion of small, interesting, bright yellow flowers beginning late spring and continuing all the way into fall.
Shrub Indiana Native Hypericum prolificum [Shrubby St. John's Wort] Hypericum prolificum is a compact, rounded Indiana native shrub. The attractive bright yellow flowers, appearing in summer, are unique and crowned by a dome of many long stamens. This species can suffer in hot and humid environments, causing it to become prone to root rot and wilt.
