When to Plant Cilantro in South Beloit, 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.

The first opportunity to plant cilantro in South Beloit should be figured out by looking at the USDA zone info.


Planting Calendar for Cilantro

Frost tolerance for cilantro: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Cilantro are barely cold tolerant which tells us that you can plant them slightly earlier than other plants that might not handle the cold.

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

The earliest that you can plant cilantro in South Beloit is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant cilantro and expect a good harvest is probably August. Any later than that and your cilantro may not have a chance to really do well. You can get started a few weeks earlier by starting your cilantro indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in South Beloit. You should expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for South Beloit is just an average and the actual date of last frost changes from year to year. Half of the time in South Beloit there is a last frost after April 15 so make sure that you are prepared to protect your cilantro in the event of a surprise late frost.

USDA Zone Info for South Beloit

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 South Beloit

You may be interested in your other planting guides for South Beloit.