One of the first steps you take when you are getting a good idea 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.

A way of making a decision about when to plant stevia is to refer to the USDA zone info for Richton Park.

Planting Calendar for Stevia

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

You should not plant stevia until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant stevia in Richton Park is April. However, you really should wait until May 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 grow to maturity. You can get started a couple of weeks earlier by starting your stevia indoors.

Last Frost Date

The average date of last frost is April 15 in Richton Park. You should expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Richton Park is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Richton Park last frost occurs after April 15 so just be sure to be ready to cover your stevia in the event of a late frost.

USDA Zone Info for Richton Park

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Richton Park

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