Shrub Audio Recording AvailablePurdue Plant Doctor Available 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… Audio Recording AvailablePurdue Plant Doctor Available
Shrub Audio Recording AvailablePurdue Plant Doctor Available 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… Audio Recording AvailablePurdue Plant Doctor Available
Shrub Purdue Plant Doctor Available Hydrangea quercifolia 'Snowflake' [Double Oakleaf Hydrangea] A unique plant with attractive flower panicles and large, coarse, handsome foliage. 'Snowflake' is a large cultivar (up to 8' high and 10' wide) that has large (up to 15" long) flower panicles of double sterile flowers. 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… Purdue Plant Doctor Available
Shrub Purdue Plant Doctor Available 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. Purdue Plant Doctor Available
Shrub Purdue Plant Doctor Available 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. Purdue Plant Doctor Available
Shrub Purdue Plant Doctor Available Hypericum kouytchense [Large-flowered St. John's Wort] The Large-flowered St. John's Wort is a mounded, semi-evergreen shrub with arching branches. Blooming generally begins in June and can last through September. The large, up to 2.5" diameter, bright yellow flowers are crowned by a dome of many long stamens. Some sources state that this species is synonymous with Hypericum 'Sungold'. Purdue Plant Doctor Available
Shrub Indiana Native Audio Recording AvailablePurdue Plant Doctor Available 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. Indiana NativeAudio Recording AvailablePurdue Plant Doctor Available
Shrub Indiana Native Audio Recording AvailablePurdue Plant Doctor Available Ilex glabra [Inkberry] This species, like other hollies, is dioecious, so plant females for fruit and an occasional male for pollination. Withstands severe pruning. Winter desiccation injury to leaves occurs in exposed sites, with severe yellowing when temperatures drop below -20 degrees F. Avoid high pH soils. Indiana NativeAudio Recording AvailablePurdue Plant Doctor Available
Shrub Audio Recording AvailablePurdue Plant Doctor Available Ilex glabra 'Chamzin' [sold as Nordic®] [Nordic Inkberry] The Nordic Inkberry is quite hardy (USDA zone 3), compact, and rounded with glossy dark green leaves that hold their color well through the winter. Tends to lose its lower leaves and branches with age. This species, like other hollies, is dioecious, and 'Chamzin' is a male cultivar, so no fruiting will occur. Withstands severe pruning. Winter desiccation injury to leaves occurs in exposed sites, with severe yellowing when temperatures drop below -20 degrees F.… Audio Recording AvailablePurdue Plant Doctor Available
Shrub Purdue Plant Doctor Available Ilex glabra 'Compacta' [Compact Inkberry] This hardy cultivar is compact and dense with an oval to rounded habit, but it tends to lose some of its lower branches with age. Ilex glabra, like other hollies, is dioecious, and 'Compacta' is a female cultivar, so plant a male pollinator for fruit set. Withstands severe pruning. Winter desiccation injury to leaves occurs in exposed sites, with severe yellowing when temperatures drop below -20 degrees F. Avoid high pH soils. Purdue Plant Doctor Available