Species include a spreading mound and a ground-covering mat. Both are blanketed with broadly cup-shaped blooms in summer. Beyond hardiness range, treat these perennials as annuals.Nierembergia repens
Native to Andean and warm-temperate South America. This species grows as a mat 4 to 6 in. high, 2 ft. wide, with bright green foliage and white blossoms. For best performance, don’t crowd it with more aggressive plants. Not as heat tolerant as Nierembergia linariifolia.
All of these South African natives form fountainlike clumps of strap-shaped leaves that are evergreen ...
Grows 3-4 ft. high and wide. Pyramidal clusters of dusty rose flowers.
From China. To 5 ft. high. Dark green leaves divided into three (rarely five) small leaflets. Clusters...