The Story
Plant Bio
An upright, clump-forming herbaceous perennial with stiff stems, lance-shaped green leaves, and large, terminal clusters (panicles) of fragrant, tubular flowers in summer.
Distinguished by its large panicles of fragrant white flowers, each with a prominent, star-shaped, raspberry-red eye at the center. Known for its vibrant, bi-color display.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
36 inches
Width
30 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 humans and pets
Bloom period
Summer – Late summer
In flower about 2 months of the year
Planting
How to Grow
- Tuck seeds or cuttings into well-draining soil.
- Water thoroughly after planting, keep soil moist.
- Place in full sun for best flowering.
- Fertilize with balanced fertilizer in early spring.
- Prune back after flowering to promote bushiness.
- Mulch around base to retain moisture and suppress weeds.
Pro Tip
Ensure good drainage and full sun for vibrant blooms.
Keep It Thriving
Care Guide
Do
- Water regularly during dry spells 💧
- Prune after flowering to maintain shape ✂️
- Fertilize in spring with a balanced feed 🌱
- Mulch to conserve moisture and prevent weeds 🌿
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t cut back in late fall ❌
- Refrain from heavy fertilization mid-season ❌
- Don’t ignore pest signs ❌
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Fertilize | ||||||||||||
| Pest Check | ||||||||||||
| Pinch | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
Garden Phlox 'Starburst' questions
What zones can Garden Phlox 'Starburst' grow in?
Garden Phlox 'Starburst' 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 Garden Phlox 'Starburst' deer resistant?
Not reliably. Deer may browse Garden Phlox 'Starburst', especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Garden Phlox 'Starburst' bloom?
Garden Phlox 'Starburst' typically blooms in summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Garden Phlox 'Starburst' need full sun?
Garden Phlox 'Starburst' does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
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Keep exploring
Explore the genus
Grow Garden Phlox 'Starburst' 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.


































































