Growing Zinnias in Zone 1
When to plant and harvest zinnias in Zone 1— based on your zone's frost dates.
Zone 1 sits just outside zinnias' ideal range (Zones 2–11), but a good harvest is achievable with careful timing and a little season extension.
Zinnias planting calendar for Zone 1
These months are derived from Zone 1's frost dates — last frost around Late May – mid June, first frost around Late July – mid August.
Start indoors
—
Sow outdoors
June
Transplant
—
Harvest
August
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 1: FAQs
Can you grow zinnias in Zone 1?＋
Zone 1 sits just outside zinnias' ideal range (Zones 2–11), but a good harvest is achievable with careful timing and a little season extension.
When should I plant zinnias in Zone 1?＋
In Zone 1, sow outdoors around June. Zone 1's last spring frost is typically Late May – mid June and its first fall frost around Late July – mid August, which sets the planting window.
When to harvest zinnias in Zone 1?＋
Expect to harvest zinnias in Zone 1 around August, depending on the season and variety.
Full Zinnias guide →
Complete care, problems, companions, and harvest tips.
Zone 1 overview →
Frost dates, climate, and everything to grow here.
June in Zone 1 →
What to sow, transplant, and harvest this month.