One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Zimmerman can be looked at to estimate 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 one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant parsnip in Zimmerman 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. You probably don't want to wait any later than that or else your parsnip may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your parsnip indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Zimmerman. You can expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Zimmerman is not always accurate the actual date of last frost is different every year. Half of the time in Zimmerman you get surprised by a frost after May 15 so just be sure to be ready to protect your parsnip in the event of one of those late frosts.

USDA Zone Info for Zimmerman

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Zimmerman

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