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.

In Woburn you can estimate when to plant parsnip by referring to the USDA zone info.

Planting Calendar for Parsnip

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

Parsnip are moderately cold tolerant which tells us that you can start planting them earlier than other plants that might not handle the cold.

The earliest that you can plant parsnip in Woburn 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. Starting your parsnip indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Woburn. In the coldest months of winter you can expect an average low temperature of -10°F.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Woburn and it is different every year. Half of the time in Woburn it frosts late in the year after April 15 so just be sure to be ready to cover your parsnip if you have a surprise late frost.

USDA Zone Info for Woburn

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 Woburn

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