One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. 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 crossandra in Wheaton can be figured out by checking out the USDA zone info.

Planting Calendar for Crossandra

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

Since crossandra are not cold tolerant it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant crossandra in Wheaton 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. You can get started a little bit earlier by starting your crossandra indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Wheaton. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Wheaton is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Wheaton last frost occurs after April 15 be ready to cover your crossandra in the event of one of those late frosts.

USDA Zone Info for Wheaton

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 Wheaton

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