The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Auburn you can figure out when 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 when the weather gets warmer.

It's probably a bad idea to plant alternaria until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant alternaria in Auburn 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 fully mature. 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 Auburn. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Auburn may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Auburn there is a last frost after April 15 so just be sure to be ready to protect your alternaria in the event of one of those late frosts.

USDA Zone Info for Auburn

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 Auburn

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