One of the first steps you take when you are determining 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.

One way of figuring out when it's possible to plant crossandra is to use the USDA zone info for Smyrna.

Planting Calendar for Crossandra

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

You really shouldn't plant crossandra until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant crossandra in Smyrna 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. If you wait any later than that and your crossandra may not have a chance to grow to maturity. If you are starting your crossandra indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Smyrna. In the coldest months of winter you should expect an average low temperature of 0°F.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Smyrna and it can change quite a bit from year to year. Half of the time in Smyrna it frosts late in the year after April 15 so always be ready to protect your crossandra in the event of a surprise late frost.

USDA Zone Info for Smyrna

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Smyrna

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