When to Plant Cucumbers in Lake Forest, IL

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when to plant cucumbers by reviewing the USDA zone info for Lake Forest.


Planting Calendar for Cucumbers

Frost tolerance for cucumbers: Not tolerant of frost.
When to plant: After the last frost has passed.

Cucumbers are not cold tolerant which means that you really should wait until it warms up after all chance of frost has passed before you can plant them.

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

The earliest that you can plant cucumbers in Lake Forest is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant cucumbers and expect a good harvest is probably August. You probably don't want to wait any later than that or else your cucumbers may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your cucumbers indoors.

Last Frost Date

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

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Lake Forest and it changes from year to year. Half of the time in Lake Forest you get surprised by a frost after April 15 so just be sure to be ready to cover your cucumbers in the event of one of those late frosts.

USDA Zone Info for Lake Forest

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 Lake Forest

You may be interested in your other planting guides for Lake Forest.