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.

By using the USDA zone info for Mauston it's possible to estimate when it's the best time 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.

Parsnip do well in moderate cold which tells us that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant parsnip in Mauston 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 fully mature. If you are starting your parsnip indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Mauston the average date of last frost happens on May 15. It might get as low as -25°F during the coldest months of winter.

Keep in mind that USDA zone info for Mauston may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Mauston you get a frost after May 15 so always be ready to protect your parsnip if you have a late frost.

USDA Zone Info for Mauston

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 Mauston

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