Phlox subulata 'Emerald Blue'
Common Name(s):
Creeping phlox
Moss phlox
Synonym:
Moss pinks
Flower:
Blue
Blooms :
Apr
to:
May
Flowers having 5 notched petals in lavender/blue shades with darker hues toward the center
Botanical Description
Fragrant?
YES
Family:
Polemoniaceae
Herbaceous Plant, Perennial
Foliage:
Green
Leaves awl shaped, evergreen, about 1" long
Fall Color?
YES
Leaves remain green
Semi-Evergreen
Photo by:
Heading 6
Maintains its green foliage
Oregon Native?
NO
West State Native?
NO
Origins:
Eastern United States from New York west to Michigan
Site Selection
Minimum USDA Hardiness Zone:
3
Water Needs:
M
Sun Needs:
Full Sun
Deer Resistant?
YES
Firewise?
YES
Height:
4-6"
Spread:
12-18"
Growth Rate:
Medium
Native Habitat:
Dry rocky sandy spots on ledges, slopes, and clearings
Soil:
Sandy, loamy, well-drained
Care Recommendations
Maintenance Level:
Low
Fertilizer:
Needs little fertilizer, can apply a balanced slow-release fertilizer or compost in spring
Mulch:
2-3" of hardwood mulch but don't cover stems
Needs full sun, well-drained soil, winter protection, pruning after flowering to promote growth, protection from rabbits
Long Term:
Winter:
Needs protection from excessive moisture and harsh winds
Spring:
Provide full sun, well-drained soil, fertilize lightly, cut back by 1/2 after flowering to promote growth and potential rebloom
Summer:
Provide full sun but afternoon shade in extrme heat, water when dry,
Fall:
Ensure excellent drainage, water if dry, apply a mulch for winter protection, do not prune
General Care Comments:
Easy care plant but to keep it looking nice need to trim back after flowering
Common Problems
Problems are related to improper care such as over watering that cause plants to get mushy
Diseases:
Root rot from poor drainage
Insects:
Spider mites, Phlox plant bugs, aphids
Environmental Problems:
Hardy plant but may get spider mites in excessively hot summers, and root rot from poor drainage
Pests:
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