Zone 6 · Petunia
Planting Petunia in Zone 6
Petunia × hybrida
✅ Petunia thrives in zone 6 (hardy 2–11)
Can I plant today?
✅ Safe to plant Petunia outside
Last frost has passed. Plant transplants after last frost. Full sun for maximum bloom. Use self-cleaning cultivars or deadhead weekly.
Evaluated for April 27, 2026 ·
Zone's last frost
around April 15
Zone's first frost
around October 15
Bloom window
May – October
Peak bloom
July
Sun required
full sun
Mature height
10"
Spacing
10" apart
Type
annual
How to plant Petunia in zone 6
Plant transplants after last frost. Full sun for maximum bloom. Use self-cleaning cultivars or deadhead weekly.
Pair with these for continuous bloom
Petunia peaks in July. These companions keep your bed in color before and after.
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