Cushion or mat-forming, creeping, evergreen perennial with small, bright green, needle-like foliage. Bears from late spring to early summer, showy, salverform flowers in shades of purple, red, pink or white. Great for rock gardens, borders or slopes. Nice effect cascading over walls. Soil should be fertile and well drained. 'Amazing Grace' produces pale pink flowers with dark pinkish-purple centers.