One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to figure out when you can plant crossandra by referring to the USDA zone info for Jerseyville.

Planting Calendar for Crossandra

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

It's probably a bad idea to plant crossandra until after the last frost because they are not cold tolerant.

The earliest that you can plant crossandra in Jerseyville 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 crossandra and expect a good harvest is probably August. You probably don't want to wait any later than that or else your crossandra may not have a chance to fully mature. Starting your crossandra indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Jerseyville. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Jerseyville may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Jerseyville there is a last frost after April 15 so just be sure to be ready to cover your crossandra if you have one of those late frosts.

USDA Zone Info for Jerseyville

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 Jerseyville

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