Woodland Phlox Blue Moon
Phlox divaricata 'Blue Moon'
Essentials
At a Glance
Plant Type
Perennial
Height
12 inches
Width
18 inches
Light
Partial Sun
Zones
4, 5, 6, 7, 8
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
Eastern North America
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Phlox divaricata 'Blue Moon' is a woodland perennial with spreading stems, delicate lance-shaped leaves, and clusters of fragrant, pale blue to lavender flowers that bloom in spring and early summer. This cultivar is prized for its vibrant, powdery blue flowers and its ability to attract pollinators, making it an excellent choice for shaded garden borders and woodland settings.
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 to maintain humidity for root development.
- Provide partial shade in hot climates for best growth.
- Water regularly during dry spells, especially in summer.
- Mulch around base to retain moisture and suppress weeds.
- Divide clumps every 3-4 years to rejuvenate plants.
Pro Tip
Plant in partial shade for vibrant blooms and healthy foliage.
Keep It Thriving
Care Guide
Do
- Water consistently, especially during dry periods 🌱
- Prune after flowering to maintain shape
- Mulch to conserve moisture and keep roots cool
- Divide every 3-4 years to promote healthy growth
Don't
- Avoid overwatering to prevent root rot ❌
- Do not fertilize late in the season
- Skip pruning in late fall
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Prune | ||||||||||||
| Spring Cleanup |
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
Woodland Phlox Blue Moon questions
What zones can Woodland Phlox Blue Moon grow in?
Woodland Phlox Blue Moon is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Woodland Phlox Blue Moon deer resistant?
Yes — Woodland Phlox Blue Moon is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Woodland Phlox Blue Moon bloom?
Woodland Phlox Blue Moon 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 Woodland Phlox Blue Moon need full sun?
Woodland Phlox Blue Moon does best in part shade.
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Keep exploring
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Hardy in your zone?
Grow Woodland Phlox Blue Moon 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.
