Blue Emerald Creeping Phlox - 72-Cell Plug Tray

Name: Blue Emerald Creeping Phlox - 72-Cell Plug Tray
Brand: Great Lakes Lavender Farm
SKU: GLLF-PER-DA5D59A6-72
Price: 457.75 USD
Availability: InStock

$457.75

$457.75 $846.72

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Size : 72-Cell Plug Tray

72-Cell Plug Tray

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Why some shipping routes differ

Live plants are pickup only June 1–September 30. Plugs and potted plants cannot use our shipping path to AZ, CA, HI, ID, NV, OR, UT, or WA; pickup may remain available. Soil-free bare root plants may ship to those states during March 1–May 31 when all remaining rules pass. Montana plug and potted-plant arrivals must be October 1–May 31.

We choose neem oil and lower-impact plant care instead of routinely drenching our greenhouse with lab-manufactured pesticides. We are exploring a screened growing house that may expand future shipping options.

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About the Product

Blue Emerald is a creeping phlox that blankets itself with soft lilac-blue flowers in spring, making a gentle wash of color. The plant forms a low, carpet-like mat no more than about 6 inches tall.

It is easy to grow and at home in rock gardens, on slopes and along the edges of borders and paths. Butterflies and bees visit the spring flowers, and the needle-like foliage stays green through the season.

What it looks like

Small, flat, five-petaled flowers about 3/4 inch across in soft lilac-blue, with slightly notched petal tips and a small darker eye, are packed so densely that they hide the foliage. The leaves are tiny, stiff and needle-like, bright green, on trailing stems that root as they spread. The plant forms a low, dense mat about 4 to 6 inches tall and 12 to 18 inches wide. At peak bloom it is a solid carpet of pale blue-violet.

Growing it with lavender

Creeping phlox likes the same sun and well-drained soil as lavender, and its soft blue carpet makes a neat spring edging along lavender beds, blooming weeks before the lavender does.

Care

Plant in full sun in average, well-drained soil; it tolerates dry spells and dislikes soggy ground. Hardy in zones 2-9. After bloom, shear the mat back by about a third to keep it dense and tidy.

At a glance

Botanical name: Phlox subulata
Flower color: Lavender-blue
Foliage: Bright green
Growth habit: Low, spreading mat
Mature size: 4–6 in tall × 12–18 in wide
USDA hardiness zones: 2–9
Light: full sun
Bloom start: Late-April
Peak bloom: Early-May
Bloom pattern: Single Flush
Deer resistance: Moderately resistant
Pollinator value: Good

Sizes and shipping

One full 72-cell plug tray: 72 young starter plugs of this variety (cells about 1⅓ in. wide × 2½ in. deep), rooted and ready to pot up into quarts or gallons. Best for growers and nurseries. Potted plants and plug trays ship during our live-plant seasons, March 1–May 31 and October 1–November 30; June through September is local pickup only. Plugs, potted plants and trays do not ship to AZ, CA, HI, ID, NV, OR, UT or WA.

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Blue Emerald grown by our community

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Mature height: 6.0 in
Mature spread: 18.0 in
Bloom: Late-April – peak Early-May
Fragrance: Mild
Deer: Moderately resistant

Lavender companion · grow guide

How to grow Blue Emerald

Phlox · Phlox subulata

Two very different plants: garden phlox (P. paniculata) is a tall summer bloomer that wants sun, rich moist soil and good air flow; creeping phlox (P. subulata) is a spring groundcover for sun and lean, well-drained soil.

Check my zone & planting dates

Full sunLight
Moderate waterAverage drainage
pH 5.5–7.5Soil
Zones 2a–9bHardiness
6″ tall18″ wide
SusceptibleDeer · rabbits susceptible
Not known toxicPets

Huckleberry saysTell me where you grow and I’ll check if Blue Emerald will thrive there.

or pick your zone

Hardy in zones 2a–9b

Spring or early fall.

When it arrives

Your plug tray

Pot 72-cell plugs into 4-inch pots or plant out after hardening off. Creeping phlox plugs can go straight into the ground 12 inches apart to knit into a mat. Keep moist until rooted.

When to plant

Spring or early fall.

How deep

Plant at the same depth as in the plug or with the bare-root crown just at soil level.

Spacing

Garden phlox 18–24 inches for air flow; creeping phlox 12–18 inches for a mat.

Soil

Garden phlox: rich, moist loam. Creeping phlox: sandy or gravelly, well-drained soil. · pH 5.5–7.5

Fix-it tip: Add compost for garden phlox. For creeping phlox, add grit to heavy clay or plant on slopes and walls so it never stays wet.

Sun

Full sun (tolerates light part shade).

Garden phlox in shade gets more mildew and fewer flowers; creeping phlox blooms best in full sun.

Don’t give up on it

Is it alive? What spring looks like

Creeping phlox stays evergreen and flowers in early to mid-spring. Garden phlox emerges from the crown in mid-spring as reddish shoots and blooms in mid to late summer.