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.

You can estimate when it's a good idea to plant parsnip in Palos Heights 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 ok in mild cold which tells us that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant parsnip in Palos Heights 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. Any later than that and your parsnip may not have a chance to really do well. Starting your parsnip indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Palos Heights. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Palos Heights may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Palos Heights you get surprised by a frost after April 15 be ready to cover your parsnip if you have one of those late frosts.

USDA Zone Info for Palos Heights

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Palos Heights

You may be interested in your other planting guides for Palos Heights.