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

In West Chester you can estimate when it's a good idea to plant alternaria by using the USDA zone info.

Planting Calendar for Alternaria

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

Alternaria are not cold tolerant which means that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant alternaria in West Chester 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. If you wait any later than that and your alternaria may not have a chance to really do well. You can get started a little bit earlier by starting your alternaria indoors.

Last Frost Date

On average the last frost has passed is on April 15 in West Chester. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for West Chester is an average the actual date of last frost changes from year to year. Half of the time in West Chester it frosts late in the year after April 15 so be sure to be ready to protect your alternaria if you have one of those late frosts.

USDA Zone Info for West Chester

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 West Chester

You may be interested in your other planting guides for West Chester.