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 first opportunity to plant parsnip in Marshall can be determined by using 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 one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them earlier than other frost tender plants.

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

The last month that you can plant parsnip and expect a good harvest is probably August. Any later than that and your parsnip may not have a chance to fully mature. Starting your parsnip indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Marshall. In the coldest months of winter you should expect an average low temperature of -25°F.

Always keep in mind that USDA zone info for Marshall is just an average and the actual date of last frost will vary from year to year. Half of the time in Marshall you get surprised by a frost after May 15 so make sure that you are ready to protect your parsnip in the event of one of those late frosts.

USDA Zone Info for Marshall

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Marshall

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