One of the first steps you take when you are figuring out your gardening schedule is find your 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 first chance to plant alternaria in Altus can be determined by checking out the USDA zone info.

Planting Calendar for Alternaria

Frost tolerance for alternaria:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since alternaria require warm weather it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant alternaria in Altus 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 grow to maturity. Starting your alternaria indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Altus. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Altus may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Altus last frost occurs after April 15 be ready to protect your alternaria if you have a late frost.

USDA Zone Info for Altus

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Altus

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