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

It's possible to determine when to plant crossandra by looking at the USDA zone info for Clairton.

Planting Calendar for Crossandra

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

You should not plant crossandra until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant crossandra in Clairton 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. Starting your crossandra indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Clairton. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Clairton may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Clairton it frosts late in the year after April 15 so be sure to be ready to protect your crossandra if you have a surprise late frost.

USDA Zone Info for Clairton

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Clairton

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