
Creeping Phlox Moss Phlox
Phlox subulata
Essentials
At a Glance
Plant Type
Groundcover
Height
6 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Moderate, drought-tolerant once established
Humidity
Prefers dry to moderate humidity
Lifespan
Perennial
Native To
Eastern North America
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Phlox subulata, commonly known as moss phlox or creeping phlox, is a low-growing perennial that forms a mat-like ground cover, making it ideal for rock gardens or as a border plant. This species is particularly noted for its vibrant spring blooms and ability to spread quickly, making it useful for erosion control.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds into well-drained soil in early spring for best germination.
- Mist cuttings lightly to maintain humidity during propagation.
- Transplant seedlings when they are 2-3 inches tall, after the last frost.
- Divide mature plants every 3-4 years in early spring or fall.
- Mulch around plants to conserve moisture and suppress weeds, especially in summer.
- Fertilize with a balanced, slow-release fertilizer in early spring to promote growth.
Pro Tip
Plant in full sun for vibrant blooms and compact growth.
Keep It Thriving
Care Guide
Do
- Water regularly during dry spells to keep soil moist 🌱
- Prune after flowering to maintain shape and encourage new growth
- Apply mulch annually to retain soil moisture and keep roots cool
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t fertilize late in the season to prevent weak, leggy growth
- Refrain from pruning in late fall to protect from winter damage
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Prune |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Creeping Phlox Moss Phlox questions
What zones can Creeping Phlox Moss Phlox grow in?
Creeping Phlox Moss Phlox is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Creeping Phlox Moss Phlox deer resistant?
Yes — Creeping Phlox Moss Phlox is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Creeping Phlox Moss Phlox bloom?
Creeping Phlox Moss Phlox typically blooms in early spring through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Creeping Phlox Moss Phlox need full sun?
Creeping Phlox Moss Phlox does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Creeping Phlox Moss Phlox drought tolerant?
Yes — once established (usually after the first full season), Creeping Phlox Moss Phlox handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
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