Small genus of plants from sunny, moist areas in South America. Species include a spreading mound and a ground-covering mat. Both are blanketed with broadly cup-shaped blooms in summer. Beyond the hardiness range, treat these perennials as annuals.Nierembergia repens
Native to Andean and warm-temperate South America. This species grows as a mat to 4–6 in. high and 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 N. linariifolia.
From Asia. Grassy tufts grow to 8 in. high and 1 ft. wide. Spreads slowly and does not make a solid co...
All of these South African natives form fountainlike clumps of strap-shaped leaves that are evergreen ...
More open and sprawling than P. aequalis, with loose clusters of orange to red flowers. ...