Shrub Hydrangea paniculata [Panicle Hydrangea] Very hardy and adaptable plant, difficult to kill. So coarse, the straight species does not always combine well in the landscape. Remove grown flowers late in fall as they are not attractive. Can become straggly and unkempt with age.
Shrub Hydrangea paniculata 'Limelight' [sold as Limelight®] [Limelight Panicle Hydrangea] 'Limelight' has large, dense, upright flower panicles that emerge white, change to lime-green, then rosey pink, ultimately becoming beige at the very end. Very hardy and adaptable plant, difficult to kill.
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 [Oakleaf Hydrangea] A unique plant with attractive flower panicles and large, coarse, handsome foliage. 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 when the tops are killed. May be best used for foliage effect in cold areas. Not very drought tolerant. Spreads by stolons forming…
Shrub 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…
Shrub 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…
Shrub 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…
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 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'.
