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Pastinaca sativa

Parsnips

Parsnips growing guidance with clear planting, care and harvest expectations.

Grows in Zones 4–12Growing guide
Parsnips growing or ready to harvestPhoto: Jonathunder · CC BY-SA 3.0

Set your expectations

How long until you can harvest?

25–120 days from seed
Cold-weather noteMost roots tolerate light frost and often taste sweeter afterward.
Start withSeeds planted directly in the garden
Life cycleAnnual
DifficultyEasy

Your seasonal plan

When to grow parsnips in Zone 6.

Planting usually begins later in spring than it does in warmer zones. These are useful planning windows, not exact weather guarantees.

Typical planting windowMarch–May and August–September
Typical harvest windowMay–August and October–December

Growing essentials

What parsnips need to thrive.

Use the practical details below with your Zone 6 timeline. Current weather and the variety you choose can shift timing.

LightFull sun; part sun is acceptable for leafy tops
SoilDeep, stone-free, loose soil without fresh manure, pH about 6.0–7.0
Planting depth½ in
Spacing3–4 in
WaterAim for even moisture, about 1 inch weekly; drought followed by heavy watering can split roots.
Best conditionsMostly cool-season; quality declines when roots mature in sustained heat.

How to plant

Plant it well.

Plant seeds directly in the garden where the crop will mature; keep the seedbed evenly damp until emergence.

Indoors or containers

Possible in deep containers with at least 10–12 inches of usable soil.

Keep it growing

Care through the season.

  • Thin seedlings to final spacing before roots begin to crowd.
  • Keep the bed weed-free with shallow cultivation to avoid damaging roots.
  • Cover exposed shoulders with soil or mulch if they begin to green or sunscald.
What to avoid

Skipping thinning leaves roots crowded, small or misshapen.

Ready to harvest

Know the cue, not just the date.

  • Dig after roots reach 1–2 inches across; frost can improve sweetness.
  • Harvest during the cool part of the day when practical. Use clean tools, then cool, store or use the harvest promptly.

How we know

Sources and growing guidance.

The growing essentials and seasonal planning windows are original summaries informed by university Extension references; always adjust for current local weather and variety instructions.

Vegetable planting and garden planningUniversity of Minnesota ExtensionFlorida Vegetable Gardening GuideUniversity of Florida IFAS Extension

Growing essentials compiled · November 2026