Before planting it is a good idea to find your USDA Zone info to estimate 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.

The best time to plant romanesco in South El Monte should be determined by referring to 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 can survive in moderate cold which means that you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant romanesco in South El Monte 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. If you wait any later than that and your romanesco may not have a chance to fully mature. Starting your romanesco indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in South El Monte. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for South El Monte is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in South El Monte it frosts late in the year after January 31 so be sure to be ready to protect your romanesco if you have a late frost.

USDA Zone Info for South El Monte

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 South El Monte

You may be interested in your other planting guides for South El Monte.