Before planting it is a good idea to find your USDA Zone info to estimate your garden 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 Marshfield should be figured out 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 do well in moderate cold which tells us that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant parsnip in Marshfield 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. If you wait any later than that and your parsnip may not have a chance to grow to maturity. You can get started a little bit earlier by starting your parsnip indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Marshfield. 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 Marshfield is not always accurate and the actual date of last frost is different every year. Since half of the time in Marshfield you get surprised by a frost after May 15 be ready to cover your parsnip if you have a surprise late frost.

USDA Zone Info for Marshfield

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 Marshfield

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