Phlox 'Emerald Blue' (Creeping Phlox) — Evergreen Live Groundcover

Emerald Blue Creeping Phlox (Phlox subulata 'Emerald Blue') is one of the best early spring groundcovers you can plant — a tight, moss-like evergreen cushion that erupts in a solid drift of vivid lavender-blue flowers for several weeks starting in early spring, then settles back into clean, needle-dense emerald foliage for the rest of the year. Tough enough for sunny slopes, rock gardens, and stone retaining walls, and refined enough for formal border edges and pathway softening.

Why Gardeners Choose Emerald Blue Creeping Phlox

• Vivid spring color: Covers itself in rich lavender-blue blooms in early spring — a deeper, more refined color than standard wild phlox varieties.
• True evergreen: Needle-like emerald foliage stays crisp and green through winter, providing year-round structure and weed suppression.
• Heat and drought tolerant: Thrives in lean, rocky, sandy soils and handles radiant heat from stone and masonry well.
• Erosion control: Deep-rooting habit anchors loose, sun-baked soils on slopes and embankments.
• Hardscape friendly: Cascades naturally over flagstone edges, stone steps, and retaining walls, softening hard lines beautifully.
• Great companion: Pairs especially well with White Creeping Phlox and golden stonecrop sedums for high-contrast border combinations.

Planting & Care

• Light: Full sun.
• Soil: Well-drained; tolerates sandy and rocky soils. Avoid standing winter moisture.
• Mature size: 4–6 inches tall with a spreading mat habit.
• Watering: Regular moisture during establishment; low water needs once rooted in.
• Fertilizing: Apply a 9-12-12 timed-release fertilizer in early spring around stem tips; apply a second light feeding post-bloom.
• Post-bloom care: Lightly clip back spent blooms after flowering to encourage dense summer growth.

Shipping Information

• Ships in pint and quart pots, fully rooted and ready to plant.