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

A common way of determining when it's a good idea to plant cilantro is to consult the USDA zone info for Glencoe.

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 do ok in mild cold which means that you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant cilantro in Glencoe 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 cilantro and expect a good harvest is probably August. If you wait any later than that and your cilantro may not have a chance to fully mature. You can get started a few weeks earlier by starting your cilantro indoors.

Last Frost Date

The average date of last frost is May 15 in Glencoe. In the coldest months of winter you can expect an average low temperature of -25°F.

Since the USDA zone info for Glencoe is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Glencoe you get surprised by a frost after May 15 so make sure that you are prepared to cover your cilantro if you have one of those late frosts.

USDA Zone Info for Glencoe

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Glencoe

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