Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. 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 mustard greens in Birmingham can be estimated by using the USDA zone info.

Planting Calendar for Mustard greens

Frost tolerance for mustard greens:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Mustard greens tend to make it in mild cold which means that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant mustard greens in Birmingham is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant mustard greens and expect a good harvest is probably September. If you wait any later than that and your mustard greens may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your mustard greens indoors.

Last Frost Date

The average date of last frost is April 15 in Birmingham. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Birmingham is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Birmingham you get a frost after April 15 be ready to cover your mustard greens in the event of one of those late frosts.

USDA Zone Info for Birmingham

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 Birmingham

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