One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of figuring out when to plant stevia is to look at the USDA zone info for San Gabriel.

Planting Calendar for Stevia

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

Stevia are not cold tolerant which means that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant stevia 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 stevia and expect a good harvest is probably September. Any later than that and your stevia may not have a chance to fully mature. If you are starting your stevia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Since the USDA zone info for San Gabriel may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in San Gabriel it frosts late in the year after January 31 so make sure that you are prepared to cover your stevia in the event of a late frost.

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.