Family: Polemoniaceae

Scientific Name: Phlox subulata Emerald Blue

Common Name: Emerald Blue Creeping Phlox

DescriptionA low growing ground cover perennial with moss-like foliage and blue flowers in May.
Plant TypeAll Plants, Perennials Hardy
Hardiness Zone2-9
Sunlightprefers full sun but will tolerate some shade
Moistureaverage
Soil & Siteaverage, well drained, ph neutral to alkaline
FlowersProduces masses of blue flowers in late April to early May lasting for around 2 weeks or more. Phlox growing on slopes or hillsides facing directly to the spring sun will bloom 2-4 weeks
Leaveslow growing mat of compact dark emerald green moss-like foliage
Dimensionsaround 4-6" tall and spreading over 24", plant 12-18" on center.
MaintenanceIf Creeping Phlox is placed to close to a sidewalk, patio, etc. it will creep into this area. Most people will shear it straight on the edges leaving a rough brown edge. A way to avoid this ugly look is to lift the edges of the plant up and cut the brown underside of the plant leaving a layer of growing foliage on the top to fill in. Than take this foliage and feather it back with a pruning shear or scissors. This works with Creeping Phlox because it tends to grow in layers with the new growth creeping over the older growth. When grass or weed start growing through the foliage, lift the plant and pull the weeds from underneath. Once the Phlox is established the weed problem will be minimal. A light shearing after bloom will incourage compact growth.
Propagationcuttings or division in the spring
Native SiteSpecies plant native to North America.
Cultivar OriginFirst sent to England in 1745 by John Bartram, a early American botanist.
Misc FactsThe name comes from the foliage (moss like) and the blue color of the flowers
Author's NotesI have been growing or observing this Creeping Phlox for over 30 years. Very hardy, always florific and seems to be one of the faster growing cultivars.
Notes & Reference#04-Herbaceous Perennial Plants (Allan Armitage) #06-Perennials for the American Gardens (Ruth Rodgers Clausen and Nicolas H Ekstrom)
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