One of the first steps you take when you are estimating 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.

You can figure out when it's possible to plant alternaria in Celina by looking at the USDA zone info.

Planting Calendar for Alternaria

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

It's probably a bad idea to plant alternaria until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant alternaria in Celina 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 grow to maturity. You can get started a little bit earlier by starting your alternaria indoors.

Last Frost Date

On average the last frost is on March 15 in Celina. It might get as low as 10°F during the coldest months of winter.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Celina and it can change quite a bit from year to year. Half of the time in Celina you get a frost after March 15 so always be ready to protect your alternaria in the event of a surprise late frost.

USDA Zone Info for Celina

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Celina

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