One of the first steps you take when you are getting a good idea 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.

A way of making a decision about when it's a good idea to plant cauliflower is to examine the USDA zone info for Atlanta.

Planting Calendar for Cauliflower

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

Cauliflower do ok in moderate cold which tells us that you can plant them a little bit earlier in the year than more sensitive plants.

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

Last Frost Date

In Atlanta the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 10°F.

It's important to remember that USDA zone info for Atlanta may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Atlanta you get surprised by a frost after March 15 so make sure that you are prepared to cover your cauliflower in the event of a late frost.

USDA Zone Info for Atlanta

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 Atlanta

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