When to Plant Stevia in Rohnert Park, CA

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

A common way of making a decision about when to plant stevia is to use the USDA zone info for Rohnert Park.

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Planting Calendar for Stevia

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

It's not a good idea to plant stevia until after all chance of 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 Rohnert Park 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 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

On average the last frost when the weather gets warmer is on February 15 in Rohnert Park. In the coldest months of winter you should expect an average low temperature of 25°F.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Rohnert Park and it will vary from year to year. Half of the time in Rohnert Park there is a last frost after February 15 so just be sure to be ready to protect your stevia if you have one of those late frosts.

USDA Zone Info for Rohnert Park

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 Rohnert Park

You may be interested in your other planting guides for Rohnert Park.