
Cloudburst Hybrid Phlox
Phlox paniculata 'Cloudburst'
Essentials
At a Glance
Plant Type
Perennial
Height
28 inches
Width
42 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
North America
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Phlox 'Cloudburst' is a hybrid phlox with a broad, mounding habit, unlike the typical upright garden phlox. It produces large, lavender-purple flowers with bright pink eyes from early summer into early fall. This cultivar is distinguished by its exceptionally long bloom period, mounding habit, and excellent resistance to powdery mildew.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Select a sunny location with well-drained soil for planting.
- Tuck seeds or cuttings into moist soil in early spring for best germination.
- Water regularly to keep soil evenly moist during the growing season.
- Apply a balanced fertilizer in early spring to promote healthy growth.
- Prune after flowering to maintain shape and encourage new blooms.
- Mulch around the base to retain moisture and suppress weeds.
Pro Tip
Plant in well-drained soil and provide full sun for vibrant, long-lasting blooms.
Keep It Thriving
Care Guide
Do
- Water deeply once a week during dry spells 💧
- Deadhead spent flowers to encourage continuous blooming 🌸
- Prune lightly after flowering for a tidy appearance ✂️
- Apply compost annually to enrich the soil 🌱
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t prune in late fall or winter ❄️
- Refrain from using heavy mulch that retains excess moisture 🌧️
- Do not ignore pest signs early to prevent spread
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Pest Check |
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
Cloudburst Hybrid Phlox questions
What zones can Cloudburst Hybrid Phlox grow in?
Cloudburst Hybrid Phlox 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 Cloudburst Hybrid Phlox deer resistant?
Yes — Cloudburst Hybrid Phlox is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Cloudburst Hybrid Phlox bloom?
Cloudburst Hybrid Phlox typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Cloudburst Hybrid Phlox need full sun?
Cloudburst Hybrid Phlox does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
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