The new and distinct hybrid of Astilbe plant named ‘Dark Side of the Moon’ has broadly-mounded habit producing a dense bushy appearance of rich, dark chocolate-purplish, triternate foliage that is topped with tall, upright, stiff dark-mahogany-color panicles of numerous, densely-clustered, deep mauve-colored flower buds opening to densely-clustered rosy-purple flowers on heavily-branched stems. The new plant is vigorous, shows heat and sun tolerance, and is useful in the landscape, in containers, or as a cut flower.

A new cultivar of Heuchera plant named ‘PP2020’ that is characterized by its foliage that is gray-green to grey in color with dark green veins on the upper surface and purple in color on the lower surface that become more purple in late summer and fall, its cold winter hardiness at least to U.S.D.A. Zone 4, and its strong garden performance.

A new cultivar of Heuchera plant named ‘PP2020’ that is characterized by its foliage that is gray-green to grey in color with dark green veins on the upper surface and purple in color on the lower surface that become more purple in late summer and fall, its cold winter hardiness at least to U.S.D.A. Zone 4, and its strong garden performance.

A new cultivar of Heuchera plant named ‘MS2020’ that is characterized by its young foliage that is bronze in color and mature foliage that is bronzy green-yellow in color with veins that are similar in color to the leaf lamina, its good winter hardiness with hardiness at least to U.S.D.A. Zone 4, and its strong garden performance.

A new cultivar of Heuchera plant named ‘PP2020’ that is characterized by its foliage that is gray-green to grey in color with dark green veins on the upper surface and purple in color on the lower surface that become more purple in late summer and fall, its cold winter hardiness at least to U.S.D.A. Zone 4, and its strong garden performance.

A new and distinct cultivar of Heuchera plant named ‘Big Top Caramel Apple’, characterized by its medium greyed-red and medium green-colored foliage, medium yellow-green and white-colored flowers, and vigorous, mounded growth habit, is disclosed.

A new and distinct cultivar of Heuchera plant named ‘Carnival Burgundy Blast’, characterized by its dark burgundy colored foliage, and moderately vigorous, mounded growth habit, is disclosed.

A new and distinct cultivar of Saxifraga plant named ‘SH 1940’, characterized by its broadly upright and mounded plant habit; moderately vigorous to vigorous growth habit and moderate growth rate; dark green-colored leaves; freely flowering habit; and creamy white-colored flowers that are held above the foliar plane.

A new and distinct cultivar of Saxifraga plant named ‘SH 1940’, characterized by its broadly upright and mounded plant habit; moderately vigorous to vigorous growth habit and moderate growth rate; dark green-colored leaves; freely flowering habit; and creamy white-colored flowers that are held above the foliar plane.

A new and distinct Heuchera plant characterized by medium, veiled, ruffled, red to bronze-green leaves, a medium plant size, showy light pink flowers in spring through summer, and excellent vigor.