One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Orange can be reffered to in order to figure out when to plant cauliflower.

Planting Calendar for Cauliflower

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

Cauliflower do well in moderate cold which means that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant cauliflower in Orange 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 really do well. You can get started a few weeks earlier by starting your cauliflower indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Orange. In the coldest months of winter you can expect an average low temperature of 0°F.

Keep in mind that USDA zone info for Orange is just an average and the actual date of last frost is different every year. Since half of the time in Orange you get surprised by a frost after April 15 be ready to cover your cauliflower in the event of one of those late frosts.

USDA Zone Info for Orange

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 Orange

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