When to Plant Parsnip in Rockton, IL

One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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 Rockton should be reffered to in order to estimate when you can 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 are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them earlier than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant parsnip
Possibly ok, but a risky time to plant parsnip
Probably not a good time to plant parsnip

The earliest that you can plant parsnip in Rockton 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. You probably don't want to wait any later than that or else your parsnip may not have a chance to really do well. 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 April 15 in Rockton. You can expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Rockton is an average and the actual date of last frost is different every year. Half of the time in Rockton there is a last frost after April 15 so just be sure to be ready to cover your parsnip in the event of a surprise late frost.

USDA Zone Info for Rockton

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 Rockton

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