When to Plant Stevia in Banning, CA

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant stevia in Banning can be determined by looking at the USDA zone info.


Planting Calendar for Stevia

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

It's probably a bad idea to plant stevia until after the last frost has passed because they require warm weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant stevia
Possibly ok, but a risky time to plant stevia
Probably not a good time to plant stevia

The earliest that you can plant stevia in Banning 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 really do well. If you are starting your stevia indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Banning the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 25°F.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Banning and it will vary from year to year. Half of the time in Banning you get surprised by a frost after February 15 so be sure to be ready to protect your stevia in the event of one of those late frosts.

USDA Zone Info for Banning

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 Low25°F
Highest Expected Low30°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 Banning

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