The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's possible to plant romanesco in Yuma by using the USDA zone info.

Planting Calendar for Romanesco

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

Romanesco are moderately cold tolerant which tells us that you can get them planted earlier than other plants that might not handle the cold.

The earliest that you can plant romanesco in Yuma 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 romanesco and expect a good harvest is probably October. Any later than that and your romanesco may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your romanesco indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Yuma. In the coldest months of winter you can expect an average low temperature of 30°F.

Always keep in mind that USDA zone info for Yuma is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Yuma it frosts late in the year after January 31 be ready to cover your romanesco if you have a surprise late frost.

USDA Zone Info for Yuma

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Yuma

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