Mixed Carpet Phlox - perennial; grows anywhere, even in poor, dry, sandy soil where other ground covers fail! No other plant spreads so lavishly, needs so little attention and flowers so profusely with so little care. Zones: 3-9 Light: Full Sun to Full Partial Shade
"One of the most beautiful and decorative coverings perennial garden is Lithodora diffusa Heavenly Blue. Mature plant height is 10-15 cm, and the small flowers are deep blue. Lithodora supports very well both sun and semiumbra and is ideal for creating a garden floral rug. Blooms in May-June."