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.

By reviewing the USDA zone info for Youngstown it's possible to determine when you can plant crossandra.

Planting Calendar for Crossandra

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

Since crossandra do not do well in cold weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant crossandra in Youngstown 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 couple of weeks earlier by starting your crossandra indoors.

Last Frost Date

The average date of last frost is April 15 in Youngstown. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Youngstown may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Youngstown you get a frost after April 15 be ready to protect your crossandra if you have a late frost.

USDA Zone Info for Youngstown

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 Youngstown

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