One of the first steps you take when you are figuring out 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 Roseville you can figure out when it's the best time to plant stevia by checking out the USDA zone info.

Planting Calendar for Stevia

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

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

The earliest that you can plant stevia in Roseville 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. If you wait any later than that and your stevia may not have a chance to grow to maturity. 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 Roseville. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Roseville is just an average the actual date of last frost is different every year. Since half of the time in Roseville last frost occurs after February 15 be ready to cover your stevia if you have a surprise late frost.

USDA Zone Info for Roseville

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 Roseville

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