Zone 5 · Garden Phlox
Planting Garden Phlox in Zone 5
Phlox paniculata
✅ Garden Phlox thrives in zone 5 (hardy 3–8)
Can I plant today?
🌸 Garden Phlox should be blooming now!
Plants set out in early season are peaking. Deadhead to keep blooms coming.
Evaluated for July 28, 2026 ·
Zone's last frost
around May 15
Zone's first frost
around October 15
Bloom window
July – September
Peak bloom
August
Sun required
full sun, part sun
Mature height
30"
Spacing
18" apart
Type
perennial
How to plant Garden Phlox in zone 5
Plant transplants in spring. Provide good air flow to prevent mildew.
Pair with these for continuous bloom
Garden Phlox peaks in August. These companions keep your bed in color before and after.
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