Snowflake Phlox
Phlox subulata 'Snowflake'
Essentials
At a Glance
Plant Type
Groundcover
Height
6 inches
Width
20 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
North America
Toxicity
Non-toxic to pets
The Story
Plant Bio
Phlox subulata 'Snowflake' is a low-growing, evergreen perennial with dense mats of narrow, grass-like foliage and clusters of pure white, star-shaped flowers that bloom profusely in spring and early summer. This cultivar is especially valued for its bright white blooms and its vigorous, drought-tolerant ground cover habit, making it ideal for rock gardens and slope stabilization.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds into well-draining soil in early spring
- Mist cuttings regularly to maintain humidity
- Water regularly during first growing season
- Deadhead spent flowers to encourage more blooms
- Divide plants every 2-3 years in early spring
- Mulch around plants to retain moisture
Pro Tip
Plant in well-drained soil with full sun for best flowering
Keep It Thriving
Care Guide
Do
- Water regularly during dry spells 🌱
- Deadhead to prolong blooming
- Divide every few years for vigor
Don't
- Avoid overwatering to prevent root rot ❌
- Don't mow low in winter
- Avoid shady spots where it may stretch
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| 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
Snowflake Phlox questions
What zones can Snowflake Phlox grow in?
Snowflake 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 Snowflake Phlox deer resistant?
Yes — Snowflake Phlox is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Snowflake Phlox bloom?
Snowflake Phlox typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Snowflake Phlox need full sun?
Snowflake Phlox does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Snowflake Phlox drought tolerant?
Yes — once established (usually after the first full season), Snowflake 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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Keep exploring
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Grow Snowflake Phlox with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
