Abstract: A new and distinct Hydrangea cultivar named ‘COUMONT’ is disclosed, characterized mophead inflorescences composed of yellow-green and pink flowers. Plants flower abundantly on same year's growth. Inflorescences and individual flowers hold up well in the rain and plants tolerate both full sun and partial shade. Plants are compact, well-branched and have large foliage The new variety is a Hydrangea, normally produced as an ornamental plant for containers or gardens.

Abstract: A new and distinct Sorbaria cultivar named ‘COUSORB05’ is disclosed, characterized by a compact plant size having early budding and easy care in the garden. Plants have an attractive young foliage color of pink and yellow-green for an extended period. The new variety is a Sorbaria sorbifolia for use as a commercial rootstock for grafting or budding onto.

Abstract: A distinct new cultivar of Corydalis plant named ‘COURIBLUE’, characterized by an exceptionally long flowering season, flowering continuously from approximately mid Spring until first frost in the Fall. Plants are upright, vigorous, free flowering and perennial. The new cultivar is a Corydalis typically suited for ornamental container and landscape use.

Abstract: A distinct new cultivar of Corydalis plant named ‘COURIBLUE’, characterized by an exceptionally long flowering season, flowering continuously from approximately mid Spring until first frost in the Fall. Plants are upright, vigorous, free flowering and perennial. The new cultivar is a Corydalis typically suited for ornamental container and landscape use.

Abstract: A new cultivar of Spiraea betulifolia, ‘COURISPI01’, that is characterized by compact plant habit, its flowers that are pink in color, and its re-blooming habit.

Abstract: A new and distinct cultivar of Physocarpus plant named ‘Couriphy01’, characterized by its whitish-pink colored flowers, dark green-colored mature foliage that turns dark burgundy in full sun, and moderately vigorous, upright-rounded growth habit, is disclosed.

Abstract: A new and distinct Hydrangea cultivar named ‘COUMONT’ is disclosed, characterized mophead inflorescences composed of yellow-green and pink flowers. Plants flower abundantly on same year's growth. Inflorescences and individual flowers hold up well in the rain and plants tolerate both full sun and partial shade. Plants are compact, well-branched and have large foliage. The new variety is a Hydrangea, normally produced as an ornamental plant for containers or gardens.

Abstract: A new and distinct Sorbaria cultivar named ‘COUSORB05’ is disclosed, characterized by a compact plant size having early budding and easy care in the garden. Plants have an attractive young foliage color of pink and yellow-green for an extended period. The new variety is a Sorbaria sorbifolia for use as a commercial rootstock for grafting or budding onto.

Abstract: A new Hydrangea plant particularly distinguished by having white flowers tinged with red-purple, and having and obovate plant shape with a broad-spreading habit, is disclosed.

Abstract: A new Hydrangea plant named ‘COUHARIE’ particularly distinguished by having early flowering and a short plant height, is disclosed.

Abstract: A new Hydrangea plant named ‘COUSTAR02’ particularly distinguished by having compact habit; and an inflorescence color changing from white to pink to dark red, is disclosed.

Abstract: A new and distinct cultivar of Hydrangea plant named ‘COUHAGIE’ is disclosed, characterized by large, conical-shaped panicles with flowers that age from cream to green. Plants have compact, v-shaped habits and brown stems. The new variety is a Hydrangea, typically produced as an outdoor ornamental plant.

Abstract: A new and distinct cultivar of Hydrangea plant named ‘COUHAMINT’ is disclosed, characterized by globular-shaped panicles with flowers that age from green to green-white, to white. Plants have compact, v-shaped habits and brown stems. The new variety is a Hydrangea, typically produced as an outdoor ornamental plant.

Abstract: A new and distinct cultivar of Hydrangea plant named ‘COUHACINQ’ is disclosed, characterized by globular to conical-shaped panicles with flowers that age from greenish-white, to white, to light pink to dark red. Plants have compact habits, brown immature stems, and dark green foliage. The new variety is a Hydrangea, typically produced as an outdoor ornamental plant.