When should I plant Parsnip in Zone 3b?

Direct sow Parsnip outdoors around Apr 17. Harvest around Jul 26.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is May 15. The first fall frost averages Sep 22, giving a 130-day growing season.

Can I grow Parsnip in Zone 3b?

Yes. Parsnip needs 100 days to harvest. Zone 3b has a 130-day growing season, which is sufficient.

Growing Parsnip in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Parsnip early indoors to maximize your harvest window. Last frost: May 15. First frost: Sep 22.

Planting Calendar

Outdoor

Harvest

Apr 17Sep 22

Season: May 15 – Sep 22 (130 days)

Zone3b

Last FrostMay 15

First FrostSep 22

Season Length130 days

Days to Harvest100

SunFull Sun

Frost ToleranceHeavy

Spacing4/sqft (6" apart)

When to Plant Parsnip in Zone 3b

Sow Seeds Outdoors: Apr 17

Direct sow Parsnip seeds outdoors around Apr 17. Soil temperature should be at least 45°F. Space at 4/sqft (6" apart).

Harvest: Jul 26

First harvest approximately Jul 26 (~100 days from planting). Continue harvesting until first frost (Sep 22). Parsnip can overwinter in mild climates for continued harvest.

Companion Planting

✅ Rosemary✅ Potatoes✅ Onions✅ Garlic✅ Peas

❌ Celery❌ Carrots

Parsnip in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Plan Your Parsnip Garden

Track Parsnip from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Parsnip Growing Guide