DibbleWhen to plant parsnip in Zone 3
In Zone 3, the last spring frost usually passes around May 15 and the first fall frost arrives around September 15, leaving about 123 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Short, cool season. Start most warm crops indoors and protect from late frosts.
Planting windows for parsnip in Zone 3
| Task | Window |
|---|---|
| Direct sow | May 1 to May 15 |
| Estimated harvest | Aug 29 to Oct 13 |
The harvest estimate counts 120 days to maturity, then a picking window of about 45 days. These windows use typical frost dates for Zone 3; Dibble pins them to your exact ZIP code.
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How to grow parsnip
Sow fresh seed around last frost, germination is slow. A long-season root that turns sweet after a fall frost.
Companion plants
Good neighbors for Parsnip:
Parsnip in nearby zones
Keep exploring
Parsnip: the full growing guide · The Zone 3 planting calendar · Every crop and zone
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Dates are estimates based on typical frost dates for the zone. Your yard has its own microclimate, so use them as a starting point and adjust as you learn your space.