Abstract: A new cultivar of hybrid Clematis, ‘Zodaki’, characterized by its floriferous habit, its flowers that are pale purple to pale violet in color with yellow centers, its uniform double flowers in both spring and summer, its upright facing flowers with good presentation, and its cold hardiness at least to U.S.D.A. Zone 6.

Abstract: A new cultivar of Hebe, ‘Grace Kelly’, characterized by its large leaves that are variegated with greyed-green centers and distinct creamy white margins with a red-purple central vein, its young leaves that are tinged with yellow at the tips, its foliage that is resistant to leaf spot and its medium sized racemes that are red-purple in color.

Abstract: A new cultivar of Primula plant, ‘K 72’, characterized by its foliage that is a blend of dark green and bronze, its large flowers that are deep red in color, its relatively vigorous growth habit, and its healthy foliage that has been observed to be disease resistant.

Abstract: A new cultivar of Hebe, ‘Wild Romance’, characterized by its exhibits foliage that is dark red in spring, its leaves that are long in length and elliptic in shape, its open plant habit, and its vigorous growth habit.

Abstract: A new cultivar of Veronica plant, ‘Whitewater’, that is characterized by its white flowers, its foliage that is dark green in color with a lustrous surface, and its low spreading habit.

Abstract: A new cultivar of Begonia boliviensis named ‘YAMOUR’, characterized by its semi-pendulous plant habit, its single red flowers, its dark purple-green leaves, its floriferous habit, and its vigorous growth habit.

Abstract: A new cultivar of Kniphofia, ‘Echo Rojo’, characterized by its inflorescences that start orange in color and turn red as they mature, its early blooming habit with the first blooms appearing at the end of April to the first part of May in Georgia, its repeat bloom throughout the summer, its semi-evergreen foliage that remains clean, and its strong upright stems that reach 36 inches in height and do not lodge.

Abstract: A new cultivar of Berberis, ‘Lutin Rouge’, that is characterized by its oval plant habit, its leaves that are bright red in color, and its non-flowering habit.

Abstract: A new cultivar of Begonia boliviensis named ‘YABON’, characterized by its large semi-double flowers that are yellow in color, its spreading and upright habit, its abundant production of floriferous side shoots, and its vigorous growth habit.

Abstract: A new cultivar of Taxodium distichum named ‘Skyward’ characterized by its upright and tight growth habit with ascending branching and a rounded tip, its dense branching with a lush and full canopy of foliage from near the base to the top of the tree, its compact plant habit with a small and narrow profile reaching about 7 m in height and 1.2 m in width in 20 years, its lack of surface roots when grown in areas with moist soil, its observed resistance to disease, drought, and insect damage and its tolerance to heavy accumulations of ice.

Abstract: A new and distinct cultivar of Phlox plant named ‘Party Punch’, characterized by its compact and upright plant habit, its strong stems, its grass green leaves, its medium sized and long lasting pinkish-orange colored flowers, and its resistance to powdery mildew.

Abstract: A new cultivar of hybrid Coreopsis named ‘Cosmic Evolution’ characterized by its large inflorescences with ray florets that are creamy white in color and becoming suffused with red-purple as temperatures cool with the purple coloration beginning as an eyezone and on the margins of the petals and then progressing until the flowers become nearly solid red-purple, its ability to bloom from June until frost in Massachusetts, its vigorous growth habit and healthy foliage, and its reliably perennial habit and cold hardiness at least to U.S.D.A. Zone 4.

Abstract: A new and distinct cultivar of Phlox plant named ‘Lord Clayton’, characterized by its bushy yet upright plant habit, its strong and almost black colored stems, its deep purple colored leaves in spring, its medium sized and long lasting cherry red colored flowers, and its tolerance to powdery mildew.

Abstract: A new and distinct cultivar of Phlox plant named ‘Thai Pink Jade’ characterized by its compact and bushy plant habit, its strong dark colored stems, its medium green foliage, its long lasting porcelain pink colored flowers with a small dark pink eye, and its resistance to powdery mildew.

Abstract: A new cultivar of Buxus semperivirens, ‘Sky Walker’, characterized by its very rapid growth rate that continues at least for six growing period, its very columnar plant habit with a low amount of lateral branching, its foliage with good color retention throughout the growing season, its greater degree of resistance to root diseases than is typical of Buxus.

Abstract: A new cultivar of hybrid Coreopsis named ‘Star Cluster’ characterized by its large inflorescences with overlapping ray florets that are white in color with small purple eyezones that under cool growing temperatures develop larger eyezones and become suffused with purple first on the petal margins and then in the center of the petals, the ability to bloom from June until frost in Massachusetts, its heavy blooming habit, its well-branched sturdy stems, its vigorous growth habit with healthy foliage, and its reliably perennial habit with cold hardiness at least to U.S.D.A. Zone 5.

Abstract: A new cultivar of Hemerocallis named ‘SPd 06-11’, characterized by its flowers that are tomato red in color with yellow-green throats in color, its flowers that fully open under cool growing conditions and are self cleaning, its flower petals that are broadly elliptic in shape and heavy in substance with ruffled edges, its blooming habit that commences very early in the season with continuous rebloom until frost on recurrent, branched scapes with high bud counts, its foliage that is evergreen, semi-evergreen or dormant depending on the growing climate with suitability in a variety of growing climates, its compact plant habit with grass-like foliage, its fast multiplication rate, and its hardiness at least in U.S.D.A. Zones 4 to 11, and its high tolerance to daylily rust.

Abstract: A new cultivar of Hemerocallis named ‘SPd 06-01’, characterized by its flowers that are coral pink in color with rosy-red eyezones and green throats, its flowers that fully open under cool growing conditions and are self cleaning, its flower petals that are broadly elliptic in shape, heavy in substance, and have lightly ruffed edges, its blooming habit that commences very early in the season with continuous rebloom until frost on recurrent, branched scapes with high bud counts, its foliage that is evergreen, semi-evergreen or dormant depending on the growing climate with suitability in a variety of growing climates, its compact plant habit with grass-like foliage, its fast multiplication rate, and its hardiness at least in U.S.D.A. Zones 4 to 11, and its high tolerance to daylily rust.

Abstract: A new cultivar of Hemerocallis named ‘SPd 06-16’, characterized by its flowers that are about 10 cm in diameter and are golden yellow in color with gold-green throats, its flowers that fully open under cool growing conditions and are self cleaning, flower petals that are oval in shape, heavy in substance, and have lightly ruffled edges, its blooming habit that commences very early in the season with continuous re-bloom until frost on recurrent, branched scapes with high bud counts, its foliage that is evergreen, semi-evergreen or dormant depending on the growing climate with suitability in a variety of growing climates, its compact plant habit with grass-like foliage, its fast multiplication rate, and its hardiness in at least in U.S.D.A. Zones 4 to 11, and its high tolerance to daylily rust.

Abstract: A new cultivar of hybrid Heuchera named ‘Binoche’, characterized by its foliage with leaves that are very dark black-green, with the color consistent throughout the leaf, its leaves with ruffled margins that are cupped at the base, its leaves that have a glossy surface when young and becoming pubescent when mature, its ruffled leaf margins, its vigorous growth habit in comparison to other dark foliaged cultivars of Heuchera, and its cold hardiness in at least U.S.D.A Zone 4.