Growing Kale in Zone 3
When to plant and harvest kale in Zone 3— based on your zone's frost dates.
Zone 3 sits comfortably within kale's best range (Zones 3–11), so it grows well here on a standard schedule.
Kale planting calendar for Zone 3
These months are derived from Zone 3's frost dates — last frost around Mid May – early June, first frost around Early September – early October.
Start indoors
March and July
Sow outdoors
—
Transplant
August
Harvest
—
Kale care at a glance
- Sunlight
- Full sun to partial shade
- Water
- 1–1.5 inches per week
- Spacing
- 12–18 in apart
- Days to maturity
- 50–65 days
- Best zones
- 3–11
Growing kale in Zone 3: FAQs
Can you grow kale in Zone 3?+
Zone 3 sits comfortably within kale's best range (Zones 3–11), so it grows well here on a standard schedule.
When should I plant kale in Zone 3?+
In Zone 3, start seeds indoors around March and July. Zone 3's last spring frost is typically Mid May – early June and its first fall frost around Early September – early October, which sets the planting window.
When to harvest kale in Zone 3?+
Harvest timing depends on your planting date and variety — kale typically matures in 50–65 days. See the full guide for harvest cues.
Full Kale guide →
Complete care, problems, companions, and harvest tips.
Zone 3 overview →
Frost dates, climate, and everything to grow here.
June in Zone 3 →
What to sow, transplant, and harvest this month.