One of the first steps you take when you are getting a good idea 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 oxalis in Bethalto can be estimated by looking at the USDA zone info.

Planting Calendar for Oxalis

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

Since oxalis do not do well in cold weather you really should wait until after the last frost before you can plant them.

The earliest that you can plant oxalis in Bethalto 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 oxalis and expect a good harvest is probably August. You probably don't want to wait any later than that or else your oxalis may not have a chance to fully mature. You can get started a few weeks earlier by starting your oxalis indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Bethalto. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Bethalto is an average the actual date of last frost changes from year to year. Since half of the time in Bethalto there is a last frost after April 15 be ready to cover your oxalis if you have a late frost.

USDA Zone Info for Bethalto

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Bethalto

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