One of the best tools that you have as gardeners to help us figure out 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.

The earliest that you can plant crossandra in Siloam Springs should be figured out by using the USDA zone info.

Planting Calendar for Crossandra

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

You should not plant crossandra until after all chance of frost has passed because they require warm weather.

The earliest that you can plant crossandra in Siloam Springs 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

On average the last frost is on April 15 in Siloam Springs. In the coldest months of winter you can expect an average low temperature of 0°F.

Keep in mind that USDA zone info for Siloam Springs is an average and the actual date of last frost is different every year. Since half of the time in Siloam Springs you get surprised by a frost after April 15 be ready to protect your crossandra in the event of a late frost.

USDA Zone Info for Siloam Springs

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 Siloam Springs

You may be interested in your other planting guides for Siloam Springs.