The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Somersworth should be read to figure out when to plant parsnip.

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 little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant parsnip in Somersworth 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 really do well. You can get started a few weeks earlier by starting your parsnip indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Somersworth. In the coldest months of winter you should expect an average low temperature of -15°F.

Remember that USDA zone info for Somersworth is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Somersworth last frost occurs after April 15 so just be sure to be ready to protect your parsnip if you have one of those late frosts.

USDA Zone Info for Somersworth

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 Somersworth

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