Growing Sweet Peas in Zone 12
When to plant and harvest sweet peas in Zone 12— based on your zone's frost dates.
Zone 12 runs warmer than sweet peas' usual range (Zones 3–8). Heat can cut the season short, so focus on the cooler shoulder months.
Sweet Peas planting calendar for Zone 12
These months are derived from Zone 12's frost dates — last frost around None, first frost around None.
Start indoors
—
Sow outdoors
December
Transplant
—
Harvest
—
Sweet Peas care at a glance
- Sunlight
- Full sun (6+ hours); afternoon shade in heat
- Water
- 1 inch per week, consistent
- Spacing
- 6 in apart
- Days to maturity
- 75–90 days to first bloom
- Best zones
- 3–8 (cool-season annual; sow in fall in mild zones)
Growing sweet peas in Zone 12: FAQs
Can you grow sweet peas in Zone 12?＋
Zone 12 runs warmer than sweet peas' usual range (Zones 3–8). Heat can cut the season short, so focus on the cooler shoulder months.
When should I plant sweet peas in Zone 12?＋
In Zone 12, sow outdoors around December. Zone 12's last spring frost is typically None and its first fall frost around None, which sets the planting window.
When to harvest sweet peas in Zone 12?＋
Harvest timing depends on your planting date and variety — sweet peas typically matures in 75–90 days to first bloom. See the full guide for harvest cues.
Full Sweet Peas guide →
Complete care, problems, companions, and harvest tips.
Zone 12 overview →
Frost dates, climate, and everything to grow here.
June in Zone 12 →
What to sow, transplant, and harvest this month.