The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Central City you can determine when it's possible to plant alternaria by checking out the USDA zone info.

Planting Calendar for Alternaria

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

Since alternaria do not do well in cold weather you need to wait until after the last frost before you can plant them.

The earliest that you can plant alternaria in Central City 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 alternaria and expect a good harvest is probably August. You probably don't want to wait any later than that or else your alternaria may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your alternaria indoors.

Last Frost Date

In Central City the average date of last frost happens on April 15. You should expect an average low temperature of -5°F in the coldest months of winter.

Remember that USDA zone info for Central City is not always accurate and the actual date of last frost changes from year to year. Half of the time in Central City it frosts late in the year after April 15 so always be ready to protect your alternaria in the event of one of those late frosts.

USDA Zone Info for Central City

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 Central City

You may be interested in your other planting guides for Central City.