When to Plant Parsnip in Sandwich, IL

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to determine when you can plant parsnip by checking out the USDA zone info for Sandwich.


Planting Calendar for Parsnip

Frost tolerance for parsnip: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Parsnip are moderately cold tolerant which means that you can plant them a little bit earlier than other plants that might not handle the cold.

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 Sandwich 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. Starting your parsnip indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Sandwich. In the coldest months of winter you should expect an average low temperature of -15°F.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Sandwich and it will vary from year to year. Half of the time in Sandwich you get a frost after April 15 so make sure that you are prepared to protect your parsnip in the event of a late frost.

USDA Zone Info for Sandwich

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 Sandwich

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