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

The USDA zone info for Bethalto should be reffered to in order to figure out when you can plant parsley.

Planting Calendar for Parsley

Frost tolerance for parsley:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Parsley do ok in some cold which means that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant parsley in Bethalto is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant parsley and expect a good harvest is probably September. You probably don't want to wait any later than that or else your parsley may not have a chance to really do well. You can get started a couple of weeks earlier by starting your parsley 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.

Just be sure to remember that USDA zone info for Bethalto is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Bethalto last frost occurs after April 15 be ready to cover your parsley in the event of a surprise 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.