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.

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