One of the best tools that you have as gardeners to help us figure out 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.

You should be able to determine when it's a good idea to plant stevia by looking at the USDA zone info for South Bay.

Planting Calendar for Stevia

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

Stevia require warm weather which means that it is necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant stevia in South Bay 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. You probably don't want to wait any later than that or else your stevia may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your stevia indoors.

Last Frost Date

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

Keep in mind that USDA zone info for South Bay is an average and the actual date of last frost is different every year. Half of the time in South Bay you get a frost 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 South Bay

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 Bay

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