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.

One way of estimating when it's a good idea to plant alternaria is to examine the USDA zone info for Alabaster.

Planting Calendar for Alternaria

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

You should not plant alternaria until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant alternaria in Alabaster 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 is on March 15 in Alabaster. You should expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Alabaster is an average the actual date of last frost will vary from year to year. Half of the time in Alabaster you get a frost after March 15 so be sure to be ready to cover your alternaria if you have one of those late frosts.

USDA Zone Info for Alabaster

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 Alabaster

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