Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of getting a good idea when it's the best time to plant parsley is to refer to the USDA zone info for East Alton.

Planting Calendar for Parsley

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

You can plant parsley a little bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant parsley in East Alton 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. If you wait any later than that and your parsley may not have a chance to fully mature. If you are starting your parsley indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in East Alton. In the coldest months of winter you can expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for East Alton 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 East Alton there is a last frost after April 15 be ready to cover your parsley in the event of a late frost.

USDA Zone Info for East Alton

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 East Alton

You may be interested in your other planting guides for East Alton.