One of the first steps you take when you are getting a good idea 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.

You should be able to determine when to plant parsnip by using the USDA zone info for Sullivan.

Planting Calendar for Parsnip

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

You can plant parsnip a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant parsnip in Sullivan 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. If you wait 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 little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Sullivan. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for Sullivan may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Sullivan last frost occurs after April 15 be ready to cover your parsnip if you have one of those late frosts.

USDA Zone Info for Sullivan

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Sullivan

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