🥬 When to Plant Mustard Greens

🥬 Vegetable
Cool Season

Fast-growing; harvest young leaves for mild flavor; bolts in heat

📅 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
Zone 3B May 15 Apr 3
Zone 4A May 8 Mar 27
Zone 4B May 1 Mar 20
Zone 5A Apr 25 Mar 14
Zone 5B Apr 18 Mar 7
Zone 6A Apr 21 Mar 10
Zone 6B Apr 10 Feb 27
Zone 7A Apr 5 Feb 22
Zone 7B Mar 28 Feb 14
Zone 8A Mar 20 Feb 6
Zone 8B Mar 12 Jan 29
Zone 9A Feb 28 Jan 17
Zone 9B Feb 15 Jan 4
Zone 10A Feb 1 Dec 21
Zone 10B Jan 15 Dec 4
Zone 11A Jan 1 Nov 20

Mustard greens are fast-growing, nutrient-dense greens with a spicy kick. They’re a cool-season crop that’s ready in as little as 40 days.

Top Growing Tips

  • Direct sow as soon as soil can be worked in spring
  • Harvest young leaves (baby size) for salads; older leaves for cooking
  • Spiciness intensifies with age and heat
  • Succession-sow every 2 weeks for continuous harvest
  • Use as a fall crop — plant 6-8 weeks before first frost

Companion Planting

Good companions: onions, garlic, aromatic herbs

Avoid planting near: other brassicas (shared pests)

Harvest Timeline

30-40 days for baby leaves; 45-60 days for full size