Phlox sublata 'Blue Emerald' | Phlox 'Blue Emerald' | {25 Pots - 3 1/4 in.}

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Phlox 'Blue Emerald' {3 1/4 in. Pots, min 25}

27 customer reviews

Phlox subulata 'Blue Emerald' (AKA Emerald Blue', Creeping Phlox, Moss Phlox)

Pronunciation: floks sub-yoo-LAH-tah BLOO EM-er-ald
Product: 710

Shipping description: This product cannot be shipped to AZ, CA, NV, OR, or WA

Available sizes:

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25 - 249: $6.57 each	250 - 999: $6.27 each
1000 - 2499: $5.96 each	2500 - 4999: $5.83 each
5000 - 9999: $5.64 each	10000 - 19999: $5.33 each
20000+: $5.02 each

Temporarily out of stock. Expected 10/12/2026.

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Content note — AI-assisted: Some images, descriptions, and specs on this page may have been generated with AI and might not be perfect.
NOTE: color shades of blooms and foliage can vary widely due to the zone it is planted in, the amount of sunlight it receives, the season, etc. If you’re new to this plant, or want to see many other photographs to see the range of shades of blooms and foliage, please check photos [here] and feel free to contact us with questions.

Five fluttering, heart-shaped petals painted in lovely lavender make up each delicate flower on Blue Emerald. On a hillside, grown in mass, she appears like a blanket of butterflies having a nap. And speaking of butterflies, Blue Emerald will attract them in spades.

She blooms for around a month, but when she's done, her mossy foliage stands on its own as a low-lying textural element in your garden. With her moderate growth rate, you'll have a gorgeous, colorful carpet in no time.

See other plants that go well with this plant.

General information about Phlox:
Any gardener who has used Creeping Phlox once will insist on planting again and again. The blanket of delicate, colorful flowers that greet you every spring can only be described as perfectly pretty year after year.

A versatile, easy-to-grow groundcover that forms a dense carpet-like mat no taller than six inches, Phlox proves excellent for erosion control on slopes and in plantings of any size. She cascades like billows of cloth over curbs, drapes down walls, and huddles over hanging baskets. Her flowers blanket slopes all across the south in spring, but her wispy sage evergreen foliage is also an undeniable feature with their tell-tale linear growth.

Though she does prefer full sun for best blooms, she will also do well in partial sun. While she puts up with a variety of soil conditions, ideally she wants well-drained soil and tolerates drought (does not tolerate too much moisture).

Phlox makes a good edging plant for difficult locations including rock gardens. She comes in a variety of colors, so you’re sure to find the perfect shade for your garden.

Gardener Tips
Consider placing multiple plants in one area for quick filling, then in 2-3 growing seasons, you can easily divide this plant in early spring and use her in other areas.

Try planting Phlox with bulbs such as tulips and daffodils for a gorgeous spring display.

Try planting Phlox as a border for herb gardens where she will blanket the earth beneath taller growers such as basil, chives and lavender while not disturbing their productivity.

Specifications

Cold hardiness zone: 2-9 (-50 degrees F) - Contact your local extension to confirm hardiness if you are in a fringe zone (we cannot guarantee hardiness in fringe zones)
AHS Heat Zone: 9-1
Light: Full sun Part sun
Growth rate: Moderate
Mature height: 4-6"
Spread: 12-36"
Spacing: 8-12"
Tolerant of: Deer, Drought, Poor Soil, Salt
pH of Soil: 4.5 - 8.0, Ideal pH: 5.5 - 6.5
Attracts: Butterflies, Hummingbirds
Grows Under Trees: Conifer - No, Walnut - Yes, Other - Yes
Good for borders & edging: Yes
Spreads by creeping: Yes
Good for erosion control: Yes
Evergreen: Yes
Native to the U.S.: Yes
Good for slopes: Yes

Shipping

No unusual shipping concerns for this plant.

FREE SHIPPING - Classy Groundcovers offers free shipping, and your plants never spend more than three days in transit.

Precise delivery - another benefit from shopping with us is that you know hpw to control exactly when your order will be shipped.

Shipping information that applies to all plants:
- When We Ship
- You May Specify Your Shipping Date
- Lookup Shipping Date and Tracking Information
- Special Delivery Instructions
- Changing Your Shipping Date
- Accepting Delivery
- Unpacking Your Order
- Returns

Care

After blooming, a light shearing will stimulate new growth (possibly inducing a summer reblooming) and make it look more attractive through winter.

General information that applies to all plants:
- Ground preparation, fertilization, pH
- Planting instructions
- Explanation and description of bare roots
- How to plant bare root plants
- If you cannot plant bare roots right away

Reviews

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Beautiful!!
05/17/2022 By Jeanne Katz (MI)
Product reviewed: Phlox 'Blue Emerald' {3 1/4 in. Pots min 25}

Planted last spring and they are blooming beautifully. Thank you, Jeanne

Well packed
09/09/2020 By Michele Vernon (NC)
Product reviewed: Phlox 'Blue Emerald' {3 1/4 in. Pots min 25}

These plants arrived fresh and lovely despite being mis-delivered by UPS. They were planted immediately and look good after a few days in the ground.

Blue Emerald Phlox
05/28/2020 By Lori Thorn (NJ)
Product reviewed: Phlox 'Blue Emerald' {3 1/4 in. Pots min 25}

We were very happy with the phlox we ordered from Classy Groundcovers. The plants arrived quickly and were in very good condition. We will surely order from them again.

Phlox Pheast!
05/23/2020 By Brian Kudej (MI)
Product reviewed: Phlox 'Blue Emerald' {3 1/4 in. Pots min 25}

These showed up very healthy and after a few days in the ground look great. Very pleased so far and would recommend anyone looking for phlox to look no further. Plus the plants were packaged with what I assume are sheets from their local newspaper. Seems... Read full review >

Highly recommend!
05/13/2020 By Dana P (VA)
Product reviewed: Phlox 'Blue Emerald' {3 1/4 in. Pots min 25}

I was very hesitant to purchase plants online, but decided to take a chance at it & glad I did! Great customer service, fast shipment, & our plants arrived in excellent condition. I’ve already recommended Classy Ground Covers to others. We love the blue... Read full review >

Phlox 'Blue Emerald' {3 1/4 in. Pots, min 25}

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