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

A way of estimating when it's a good idea to plant crossandra is to check out the USDA zone info for Palatine.

Planting Calendar for Crossandra

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

Crossandra require warm weather which means that it's important to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant crossandra in Palatine 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. Any later than that and your crossandra may not have a chance to fully mature. You can get started a few weeks earlier by starting your crossandra indoors.

Last Frost Date

On average the last frost is on April 15 in Palatine. You can expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Palatine may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Palatine there is a last frost after April 15 be ready to cover your crossandra in the event of a surprise late frost.

USDA Zone Info for Palatine

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 Palatine

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