The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In El Centro you can determine when you can plant sutera by reviewing the USDA zone info.

Planting Calendar for Sutera

Frost tolerance for sutera:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Sutera tend to make it in some cold which tells us that you can plant them just a tiny bit earlier in the year than more sensitive plants.

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

Last Frost Date

On average the last frost has passed is on January 31 in El Centro. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for El Centro is just an average the actual date of last frost changes from year to year. Since half of the time in El Centro it frosts late in the year after January 31 be ready to cover your sutera if you have a late frost.

USDA Zone Info for El Centro

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 El Centro

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