When to Plant Parsley in Lockport, IL

One of the best tools that you have as gardeners to help us estimate 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.

It's possible to determine when you can plant parsley by looking at the USDA zone info for Lockport.


Planting Calendar for Parsley

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

Since parsley are moderately cold tolerant you can plant them a little earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant parsley in Lockport 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 parsley and expect a good harvest is probably September. Any later than that and your parsley may not have a chance to grow to maturity. You can get started a little bit earlier by starting your parsley indoors.

Last Frost Date

On average the last frost is on April 15 in Lockport. You should expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Lockport may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Lockport it frosts late in the year after April 15 be ready to protect your parsley in the event of a surprise late frost.

USDA Zone Info for Lockport

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 Lockport

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