When to plant kale in zone 3

Kale in USDA zone 3

Average zone 3 frost dates: last spring frost ≈ May 20, first fall frost ≈ Sep 15 (118 frost-free days). Local dates can vary by 2-3 weeks.

Transplant 3-5 weeks before the last frost; fall kale tastes sweeter after frost.

When to plant kale in zone 3?

Start seeds indoors: Apr 8 – Apr 22; Transplant outdoors: Apr 22 – May 13; Expected first harvest: from Jun 21; Fall planting: Jul 7 – Jul 21.

Free calculator by FrostWise