Growing Onions in Zone 2
When to plant and harvest onions in Zone 2— based on your zone's frost dates.
Zone 2 sits just outside onions' ideal range (Zones 3–9), but a good harvest is achievable with careful timing and a little season extension.
Onions planting calendar for Zone 2
These months are derived from Zone 2's frost dates — last frost around Late May – early June, first frost around Mid August – early September.
Start indoors
April
Sow outdoors
—
Transplant
May
Harvest
October
Onions care at a glance
- Sunlight
- Full sun
- Water
- 1 inch per week; stop as tops fall
- Spacing
- 4 in apart
- Days to maturity
- 90–120 days
- Best zones
- 3–9 (choose day-length type for your latitude)
Growing onions in Zone 2: FAQs
Can you grow onions in Zone 2?＋
Zone 2 sits just outside onions' ideal range (Zones 3–9), but a good harvest is achievable with careful timing and a little season extension.
When should I plant onions in Zone 2?＋
In Zone 2, start seeds indoors around April. Zone 2's last spring frost is typically Late May – early June and its first fall frost around Mid August – early September, which sets the planting window.
When to harvest onions in Zone 2?＋
Expect to harvest onions in Zone 2 around October, depending on the season and variety.
Full Onions guide →
Complete care, problems, companions, and harvest tips.
Zone 2 overview →
Frost dates, climate, and everything to grow here.
June in Zone 2 →
What to sow, transplant, and harvest this month.