The USDA Zone info is a great tool for gardeners to help us determine 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.

In Edwardsville you can figure out when it's a good idea to plant hamburg root parsley by reviewing the USDA zone info.

Planting Calendar for Hamburg root parsley

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

Since hamburg root parsley are moderately cold tolerant you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant hamburg root parsley in Edwardsville 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 hamburg root parsley and expect a good harvest is probably September. Any later than that and your hamburg root parsley may not have a chance to grow to maturity. You can get started a little bit earlier by starting your hamburg root parsley indoors.

Last Frost Date

The average date of last frost is April 15 in Edwardsville. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Edwardsville 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 Edwardsville there is a last frost after April 15 be ready to protect your hamburg root parsley if you have a late frost.

USDA Zone Info for Edwardsville

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 Edwardsville

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