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 Danville you can determine when it's possible 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 when the weather gets warmer.

It's not a good idea to plant alternaria until after the last frost because they require warm weather.

The earliest that you can plant alternaria in Danville 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. Any later than that and your alternaria may not have a chance to fully mature. Starting your alternaria indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Danville. You can expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Danville is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Danville you get surprised by a frost after April 15 so always be ready to protect your alternaria if you have a surprise late frost.

USDA Zone Info for Danville

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Danville

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