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'.
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.
Shrub Indiana Native 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.
Shrub 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.…
Shrub 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.
Shrub Ilex glabra 'Green Magic' [Green Magic Inkberry] 'Green Magin' is a dense, compact hardy cutlivar that tends to hold on to its lower branches better than many other variants of Ilex glabra. 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.
Shrub Ilex × 'Mesdob' [sold as China Boy®] [China Boy Holly] 'China Boy' is a dense, rounded holly hybrid with lustrous evergreen foliage. This cultivar is male (produces no fruits) and is the pollinator for 'China Girl'. Winter dessication injury to leaves in exposed sites.
