Growing Petunias in Zone 11
When to plant and harvest petunias in Zone 11— based on your zone's frost dates.
Zone 11 sits comfortably within petunias' best range (Zones 2–11), so it grows well here on a standard schedule.
Petunias planting calendar for Zone 11
These months are derived from Zone 11's frost dates — last frost around None, first frost around None.
Start indoors
November
Sow outdoors
—
Transplant
February
Harvest
May
Free planting calendar
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A month-by-month Zone 11 chart with petunias already on it — add the rest of your garden, then print it or save it as a PDF.
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Petunias care at a glance
- Sunlight
- Full sun (6+ hours); a little afternoon shade helps in the hottest zones
- Water
- 1 inch per week in beds; containers may need daily watering in heat — they dislike both drought and soggy soil
- Spacing
- 12–18 in (mounding) to 18–24 in (trailing)
- Days to maturity
- 70–90 days from seed to first bloom; transplants bloom in 6–8 weeks
- Best zones
- 2–11 (warm-season annual; perennial only in zones 10–11)
Growing petunias in Zone 11: FAQs
Can you grow petunias in Zone 11?＋
Zone 11 sits comfortably within petunias' best range (Zones 2–11), so it grows well here on a standard schedule.
When should I plant petunias in Zone 11?＋
In Zone 11, start seeds indoors around November. Zone 11's last spring frost is typically None and its first fall frost around None, which sets the planting window.
When to harvest petunias in Zone 11?＋
Expect to harvest petunias in Zone 11 around May, depending on the season and variety.
Full Petunias guide →
Complete care, problems, companions, and harvest tips.
Zone 11 overview →
Frost dates, climate, and everything to grow here.
October in Zone 11 →
What to sow, transplant, and harvest this month.