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.

The first chance to plant crossandra in Effingham should be estimated by using the USDA zone info.

Planting Calendar for Crossandra

Frost tolerance for crossandra:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Crossandra require warm weather which tells us that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant crossandra in Effingham 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 little bit earlier by starting your crossandra indoors.

Last Frost Date

The average date of last frost is April 15 in Effingham. You should expect an average low temperature of -10°F in the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Effingham and it will vary from year to year. Since half of the time in Effingham it frosts late in the year after April 15 be ready to cover your crossandra in the event of a late frost.

USDA Zone Info for Effingham

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 Effingham

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