Growing Broccoli in Zone 1
When to plant and harvest broccoli in Zone 1— based on your zone's frost dates.
Zone 1 is colder than broccoli's usual range (Zones 3–10). Expect to lean on indoor starts, containers, or row covers — or treat it as a short-season experiment.
Broccoli 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
May
Sow outdoors
—
Transplant
May and June
Harvest
—
Broccoli care at a glance
- Sunlight
- Full sun (tolerates light shade)
- Water
- 1–1.5 inches per week, consistent
- Spacing
- 18 in apart
- Days to maturity
- 60–85 days from transplant
- Best zones
- 3–10 (cool seasons)
Growing broccoli in Zone 1: FAQs
Can you grow broccoli in Zone 1?＋
Zone 1 is colder than broccoli's usual range (Zones 3–10). Expect to lean on indoor starts, containers, or row covers — or treat it as a short-season experiment.
When should I plant broccoli in Zone 1?＋
In Zone 1, start seeds indoors around May. 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 broccoli in Zone 1?＋
Harvest timing depends on your planting date and variety — broccoli typically matures in 60–85 days from transplant. See the full guide for harvest cues.
Full Broccoli 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.