Before planting it is a good idea to find your USDA Zone info to determine 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 common way of estimating when to plant cauliflower is to use the USDA zone info for Okmulgee.

Planting Calendar for Cauliflower

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

Cauliflower are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant cauliflower in Okmulgee 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. If you wait any later than that and your cauliflower may not have a chance to really do well. Starting your cauliflower indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Okmulgee the average date of last frost happens on April 15. You should expect an average low temperature of 0°F in the coldest months of winter.

It's important to remember that USDA zone info for Okmulgee is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Okmulgee it frosts late in the year after April 15 so make sure that you are ready to protect your cauliflower in the event of a late frost.

USDA Zone Info for Okmulgee

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Okmulgee

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