Before planting it is a good idea to find your USDA Zone info to figure out 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 first opportunity to plant streptocarpella in San Gabriel should be determined by checking out the USDA zone info.

Planting Calendar for Streptocarpella

Frost tolerance for streptocarpella:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's a bad idea to plant streptocarpella until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant streptocarpella in San Gabriel 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 streptocarpella and expect a good harvest is probably September. If you wait any later than that and your streptocarpella may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your streptocarpella indoors.

Last Frost Date

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

Since the USDA zone info for San Gabriel may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in San Gabriel there is a last frost after January 31 be ready to cover your streptocarpella if you have one of those late frosts.

USDA Zone Info for San Gabriel

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 San Gabriel

You may be interested in your other planting guides for San Gabriel.