One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Mathis should be looked at to determine when it's possible to plant alternaria.

Planting Calendar for Alternaria

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

You should not plant alternaria until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant alternaria in Mathis is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant alternaria and expect a good harvest is probably September. If you wait any later than that and your alternaria may not have a chance to really do well. You can get started a couple of weeks earlier by starting your alternaria indoors.

Last Frost Date

On average the last frost is on February 15 in Mathis. It might get as low as 20°F during the coldest months of winter.

Remember that USDA zone info for Mathis is an average and the actual date of last frost will vary from year to year. Since half of the time in Mathis there is a last frost after February 15 be ready to protect your alternaria in the event of a late frost.

USDA Zone Info for Mathis

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Mathis

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