One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

The best time to plant cauliflower in Valley Center can be determined by looking at the USDA zone info.

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 frost tender plants.

The earliest that you can plant cauliflower in Valley Center 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. Any later than that and your cauliflower may not have a chance to fully mature. Starting your cauliflower indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Valley Center. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Valley Center is not always accurate the actual date of last frost is different every year. Half of the time in Valley Center last frost occurs after April 15 so just be sure to be ready to protect your cauliflower in the event of one of those late frosts.

USDA Zone Info for Valley Center

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Valley Center

You may be interested in your other planting guides for Valley Center.