When to Plant Parsnip in Osceola, IA

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant parsnip in Osceola should be figured out by looking at the USDA zone info.

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Planting Calendar for Parsnip

Frost tolerance for parsnip: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Parsnip are one of those plants that can tolerate a little bit of cold weather which means that you can start planting them earlier than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant parsnip
Possibly ok, but a risky time to plant parsnip
Probably not a good time to plant parsnip

The earliest that you can plant parsnip in Osceola is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant parsnip and expect a good harvest is probably September. Any later than that and your parsnip may not have a chance to grow to maturity. If you are starting your parsnip indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Osceola the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Osceola is not always accurate the actual date of last frost changes from year to year. Since half of the time in Osceola it frosts late in the year after April 15 be ready to protect your parsnip in the event of one of those late frosts.

USDA Zone Info for Osceola

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Osceola

You may be interested in your other planting guides for Osceola.