When to Plant Bell Peppers in Markham, IL

Before planting it is a good idea to find your USDA Zone info to estimate 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.

You should be able to estimate when it's possible to plant bell peppers by referring to the USDA zone info for Markham.


Planting Calendar for Bell Peppers

Frost tolerance for bell peppers: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Since bell peppers require warm weather you must wait until after all chance of frost has passed before you can plant them.

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

The earliest that you can plant bell peppers in Markham 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 bell peppers and expect a good harvest is probably August. If you wait any later than that and your bell peppers may not have a chance to fully mature. Starting your bell peppers 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 Markham. In the coldest months of winter you can expect an average low temperature of -15°F.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Markham and it is different every year. Half of the time in Markham last frost occurs after April 15 so just be sure to be ready to cover your bell peppers in the event of one of those late frosts.

USDA Zone Info for Markham

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 Markham

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