One of the first steps you take when you are determining your gardening schedule is find your 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.

In Martinez you can estimate when it's possible to plant stevia by reviewing the USDA zone info.

Planting Calendar for Stevia

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

You can not plant stevia until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant stevia in Martinez is March. However, you really should wait until April 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. You can get started a little bit earlier by starting your stevia indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Martinez. You can expect an average low temperature of 25°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Martinez is not always accurate and the actual date of last frost is different every year. Half of the time in Martinez there is a last frost after February 15 so be sure to be ready to cover your stevia in the event of a surprise late frost.

USDA Zone Info for Martinez

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Martinez

You may be interested in your other planting guides for Martinez.