When can I plant Stevia in Zone 3a

The USDA Zone info is a great tool for gardeners to help us determine our gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

You can estimate when it's a good idea to plant stevia in Zone 3a by looking at the USDA zone info.


Planting Calendar for Stevia

Frost tolerance for stevia: Not tolerant of frost.
When you should plant them: After the last frost.

Since stevia require warm weather you need to wait until after all chance of frost has passed before you can plant them.

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 Zone 3a is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant stevia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your stevia may not have a chance to grow to maturity. Starting your stevia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on May 15 in Zone 3a. In the coldest months of winter we should expect an average low temperature of -40°F.

Since the USDA zone info for Zone 3a is just an average our actual date of last frost is different every year. Since half of the time in Zone 3a we get a frost after May 15 be ready to cover your stevia in the event of a surprise late frost.

USDA Zone Info for Zone 3a

Here is the info for USDA Zone 3a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-40°F
Highest Expected Low-35°F

This means that on a really cold year, the coldest it will get is -40°F. On most years you should be prepared to experience lows near -35°F.

Plants to Grow in Zone 3a

You may be interested in our other planting guides for Zone 3a.