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.

A way of estimating when to plant radishes is to look at the USDA zone info for Tuscaloosa.

Planting Calendar for Radishes

Frost tolerance for radishes:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant radishes a lot earlier in the year because they do well in cold.

The earliest that you can plant radishes in Tuscaloosa 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 radishes and expect a good harvest is probably September. You probably don't want to wait any later than that or else your radishes may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your radishes indoors.

Last Frost Date

The average date of last frost is March 15 in Tuscaloosa. It might get as low as 10°F during the coldest months of winter.

Keep in mind that USDA zone info for Tuscaloosa is not always accurate and the actual date of last frost changes from year to year. Half of the time in Tuscaloosa you get surprised by a frost after March 15 so always be ready to protect your radishes if you have a surprise late frost.

USDA Zone Info for Tuscaloosa

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 Tuscaloosa

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