One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In South El Monte you can figure out when it's possible to plant calibrachoa by reviewing the USDA zone info.

Planting Calendar for Calibrachoa

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

Calibrachoa do well in very little 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 calibrachoa in South El Monte 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 calibrachoa and expect a good harvest is probably September. You probably don't want to wait any later than that or else your calibrachoa may not have a chance to grow to maturity. You can get started a little bit earlier by starting your calibrachoa indoors.

Last Frost Date

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

Since the USDA zone info for South El Monte is just an average 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 make sure that you are ready to protect your calibrachoa 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.