One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

A common way of getting a good idea when it's a good idea to plant parsnip is to use the USDA zone info for Posen.

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 moderately cold tolerant.

The earliest that you can plant parsnip in Posen 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 fully mature. You can get started a couple of weeks earlier by starting your parsnip indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Posen. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Posen may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Posen it frosts late in the year after April 15 so always be ready to protect your parsnip if you have a surprise late frost.

USDA Zone Info for Posen

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 Posen

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