Growing Zinnias in Zone 13
When to plant and harvest zinnias in Zone 13— based on your zone's frost dates.
Zone 13 runs warmer than zinnias' usual range (Zones 2–11). Heat can cut the season short, so focus on the cooler shoulder months.
Zinnias planting calendar for Zone 13
These months are derived from Zone 13's frost dates — last frost around None, first frost around None.
Start indoors
—
Sow outdoors
January
Transplant
—
Harvest
March
Zinnias care at a glance
- Sunlight
- Full sun (6+ hours)
- Water
- Moderate; water at the base
- Spacing
- 6–12 in apart
- Days to maturity
- 60–70 days
- Best zones
- 2–11 (warm-season annual)
Growing zinnias in Zone 13: FAQs
Can you grow zinnias in Zone 13?＋
Zone 13 runs warmer than zinnias' usual range (Zones 2–11). Heat can cut the season short, so focus on the cooler shoulder months.
When should I plant zinnias in Zone 13?＋
In Zone 13, sow outdoors around January. Zone 13's last spring frost is typically None and its first fall frost around None, which sets the planting window.
When to harvest zinnias in Zone 13?＋
Expect to harvest zinnias in Zone 13 around March, depending on the season and variety.
Full Zinnias guide →
Complete care, problems, companions, and harvest tips.
Zone 13 overview →
Frost dates, climate, and everything to grow here.
June in Zone 13 →
What to sow, transplant, and harvest this month.