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.

In Lathrop you can figure out when to plant stevia by referring to 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.

It's a bad idea to plant stevia until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant stevia in Lathrop 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 grow to maturity. You can get started a couple of weeks earlier by starting your stevia indoors.

Last Frost Date

The average date of last frost is February 15 in Lathrop. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Lathrop is not always accurate the actual date of last frost changes from year to year. Since half of the time in Lathrop it frosts late in the year after February 15 be ready to cover your stevia if you have a surprise late frost.

USDA Zone Info for Lathrop

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 Lathrop

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