🥬 When to Plant Kale

🥬 Vegetable
Cool Season

Very cold-hardy; flavor improves after frost

📅 Planting Calendar by USDA Zone

Select your zone to highlight your exact planting dates. Dates are calculated from each zone's average frost dates.

Find my zone
Zone Last Frost Start Indoors Transplant Direct Sow
Zone 2A May 30 Apr 18 May 2 May 2
Zone 3B May 15 Apr 3 Apr 17 Apr 17
Zone 4A May 8 Mar 27 Apr 10 Apr 10
Zone 4B May 1 Mar 20 Apr 3 Apr 3
Zone 5A Apr 25 Mar 14 Mar 28 Mar 28
Zone 5B Apr 18 Mar 7 Mar 21 Mar 21
Zone 6A Apr 21 Mar 10 Mar 24 Mar 24
Zone 6B Apr 10 Feb 27 Mar 13 Mar 13
Zone 7A Apr 5 Feb 22 Mar 8 Mar 8
Zone 7B Mar 28 Feb 14 Feb 28 Feb 28
Zone 8A Mar 20 Feb 6 Feb 20 Feb 20
Zone 8B Mar 12 Jan 29 Feb 12 Feb 12
Zone 9A Feb 28 Jan 17 Jan 31 Jan 31
Zone 9B Feb 15 Jan 4 Jan 18 Jan 18
Zone 10A Feb 1 Dec 21 Jan 4 Jan 4
Zone 10B Jan 15 Dec 4 Dec 18 Dec 18
Zone 11A Jan 1 Nov 20 Dec 4 Dec 4

Kale is an extremely cold-hardy green that actually tastes better after frost.

Top Growing Tips

  • One of the hardiest vegetables — survives into the 20s°F
  • Flavor sweetens after frost exposure
  • Harvest outer leaves first, leaving the center to keep growing
  • Can overwinter in zones 7+ with mulch protection
  • Lacinato (dinosaur) kale is the most cold-tolerant variety

Companion Planting

Good companions: beets, celery, herbs, onions, potatoes

Avoid planting near: strawberries, tomatoes

Harvest Timeline

50-65 days from seed (baby leaves at 25 days)