The Phlox ‘Emerald Blue’, Phlox subulata, is an ideal ground cover with dark blue flowers and a thick mat of semi-evergreen foliage. Blooming from April to May, it has a plant height of 4-6” and a spread of 18-24”. It is a definite addition to any perennial garden.‘Emerald Blue’ needs to be planted in a full sun area in well-drained soil. Use ‘Emerald Blue’ in rock gardens, as a spread over curbs and short retaining walls, or in difficult edges of dry streambeds.
