🫚 When to Plant Parsnips

🥬 Vegetable
Cool Season

Slow to germinate; frost improves sweetness; direct sow early for fall harvest

📅 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 May 2
Zone 3B May 15 Apr 17
Zone 4A May 8 Apr 10
Zone 4B May 1 Apr 3
Zone 5A Apr 25 Mar 28
Zone 5B Apr 18 Mar 21
Zone 6A Apr 21 Mar 24
Zone 6B Apr 10 Mar 13
Zone 7A Apr 5 Mar 8
Zone 7B Mar 28 Feb 28
Zone 8A Mar 20 Feb 20
Zone 8B Mar 12 Feb 12
Zone 9A Feb 28 Jan 31
Zone 9B Feb 15 Jan 18
Zone 10A Feb 1 Jan 4
Zone 10B Jan 15 Dec 18
Zone 11A Jan 1 Dec 4

Parsnips are slow to germinate but enormously rewarding — especially after a frost converts their starches to sugars. Think of them as the caramelized carrot.

Top Growing Tips

  • Germination is slow (2-4 weeks); keep soil moist consistently
  • Use fresh seed each year — germination rates drop sharply with age
  • Leave in ground through first frost for maximum sweetness
  • Loosen soil deeply (12+ inches) for straight, unbranched roots
  • Mark rows carefully — they disappear in the garden before sprouting

Companion Planting

Good companions: garlic, onions, rosemary

Avoid planting near: carrots (same pests and diseases)

Harvest Timeline

100-130 days; best after first frost in fall