Shrub Purdue Plant Doctor Available Hydrangea quercifolia 'Alice' [Alice Oakleaf Hydrangea] Alice is an upright, stoloniferous shrub with a broad, rounded habit which grows 5-8' tall and similar in witdth. In optimum growing conditions, Alice can reach heights of 12' tall. The flowers of this shrub are the highlight of any landscape with creamy-white, feathery panicles that change to a rosy-pink color with age. Large, coarse green leaves change to a burgundy-red in the fall. Exfoliating stems add texture and color during the winter months. Tops… Purdue Plant Doctor Available
Shrub Audio Recording AvailablePurdue Plant Doctor Available Hydrangea quercifolia 'Flemygea' [sold as Snow Queen™] [Snow Queen Oakleaf Hydrangea] A unique plant with attractive flower panicles and large, coarse handsome foliage. 'Flemygea' is known for its larger and more numerous showy, sterile flowers in each panicle. This cultivar also has stronger flower stems that can withstand a heavy rain better than many Hydrangea quercifolia variants. 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… Audio Recording AvailablePurdue Plant Doctor Available
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 Purdue Plant Doctor Available Ilex crenata 'Hetzii' [Hetz Japanese Holly] This species, like other hollies, is dioecious and 'Hetzii' is a female cultivar that will only be able to produce fruit if there is a male pollinator planted nearby. Nice mounded broadleaf evergreen that holds its color through winter. Withstands severe pruning. Winter desiccation injury to leaves in exposed sites. Spider mites can be serious. Avoid high pH soils as chlorosis may occur. Purdue Plant Doctor Available
Indiana Native
![Hydrangea quercifolia 'Flemygea' [sold as Snow Queen™]](https://www.arboretum.purdue.edu/explorer/wp-content/uploads/sites/2/2023/01/NAME-21395-Summer-FloweringHabit-2-150x150.jpg)
