When to Plant Begonias in Carlinville, 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.

The USDA zone info for Carlinville should be looked at to estimate when it's possible to plant begonias.


Planting Calendar for Begonias

Frost tolerance for begonias: Not tolerant of frost.
When to plant: After the last frost.

It's not a good idea to plant begonias until after all chance of frost has passed because they are not cold tolerant.

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

The earliest that you can plant begonias in Carlinville 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 begonias and expect a good harvest is probably August. Any later than that and your begonias may not have a chance to really do well. Starting your begonias indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Carlinville. You should expect an average low temperature of -10°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Carlinville 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 Carlinville there is a last frost after April 15 be ready to cover your begonias in the event of one of those late frosts.

USDA Zone Info for Carlinville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Carlinville

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