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flowerPerennial
Phlox
Phlox paniculata
Also known as: garden phlox, summer phlox
Fragrant midsummer perennial with large domed flower clusters. Choose mildew-resistant varieties. Excellent cottage garden plant.
Growing Requirements
SunFull Sun
WaterMedium
Soil Type
Soil Drainage
Soil pH
Plant Spacing18–24″
Row Spacing24–36″
Planting Depth0.13–0.25″
Height24–48″
Spread18–24″
✗ Not Container Friendly✓ Raised Bed Friendly
Planting Schedule
Start Indoors
8–10 weeks before last frost
Transplant Outdoors
0–9 weeks after last frost
Germination
14–28 days
Days to Harvest
120–365 days
Zone Suitability
USDA Hardiness Zones
1
2
3
4
5
6
7
8
9
10
11
12
13
Zones 3–8
Can overwinter in appropriate zones
Perennial in zones 3–8
Space for good airflow to prevent mildew. Seeds need cold stratification. Divide every 3-4 years.
Companion Plants
No companion data available for this plant yet.