Rhodohypoxis baurii – This clumping perennial grows from corm-like roots and is a native of South Africa. It bears deep rose-pink flowers (white and pale pink cultivars are also available) all summer long over dull green grass-like foliage. It needs near perfect drainage to overwinter, which is why many people grow them in alpine troughs. Grows 4″ high and wide. Zone 8.
Sisyrinchium ‘Devon Skies’ – This cultivar of Blue-Eyed Grass forms clumps of spiky green iris-like foliage. The pale violet-blue flowers have a darker eye zone and a contrasting yellow center, blooming from late spring into summer. Divide every 3 years in order to maintain plant vigor. Grows 4 to 6″ high by 8″ wide. Hardy to zone 5.
Delosperma floribundum SEQUINS (syn. ‘Balosquin’) – This perennial Ice Plant is a native of South Africa and requires near perfect drainage to overwinter in coastal BC. The bright rosy-purple starry flowers have a white eye and are borne over succulent evergreen leaves. Tolerates sandy soils and is quite drought tolerant. Grows 3-6″ high by 12″ wide. Zone 6.
Euphorbia polychroma – Cushion Spurge is an RHS Award of Garden Merit winner with bright yellow flower bracts from late April to June. It is an herbaceous perennial with bright green willow-like foliage that forms a dome off the ground. It is quite drought tolerant and prefers a full sun exposure. Grows 12 to 16″ high by 18 to 24″ wide. Hardy to zone 4.
Phlox subulata ‘Scarlet Flame’ – This Moss Phlox cultivar features deep rose-pink to bright scarlet blooms (with a slightly darker eye) that literally smother the fine green foliage in late spring. ‘Scarlet Flame’ will happily spill over retaining walls or it can be used as small-scale groundcover. Does best in full sun in coastal BC. Grows 4-6″ high by 14-24″ wide. Hardy to zone 3.