Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

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

Planting Calendar for Garlic

Frost tolerance for garlic:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since garlic are very cold tolerant you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant garlic 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 garlic and expect a good harvest is probably September. You probably don't want to wait any later than that or else your garlic may not have a chance to really do well. Starting your garlic indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Edwardsville the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Edwardsville may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Edwardsville it frosts late in the year after April 15 so just be sure to be ready to cover your garlic if you have one of those late frosts.

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.