One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when you can plant cauliflower is to look at the USDA zone info for Clayton.

Planting Calendar for Cauliflower

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

Since cauliflower do well in moderate cold you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant cauliflower in Clayton is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant cauliflower and expect a good harvest is probably October. You probably don't want to wait any later than that or else your cauliflower may not have a chance to grow to maturity. Starting your cauliflower indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Clayton the average date of last frost happens on February 15. You can expect an average low temperature of 25°F in the coldest months of winter.

It's important to remember that USDA zone info for Clayton is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Clayton you get surprised by a frost after February 15 so make sure that you are ready to protect your cauliflower if you have a late frost.

USDA Zone Info for Clayton

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Clayton

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