Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Litchfield you can figure out when it's possible to plant stevia by reviewing the USDA zone info.

Planting Calendar for Stevia

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

Stevia are not cold tolerant which means that you really should wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant stevia in Litchfield 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. If you wait any later than that and your stevia may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your stevia indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Litchfield. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Litchfield may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Litchfield you get surprised by a frost after May 15 be ready to cover your stevia in the event of one of those late frosts.

USDA Zone Info for Litchfield

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in Litchfield

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