The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Edwardsville should be reviewed to figure out when it's possible to plant candytuft.

Planting Calendar for Candytuft

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

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

The earliest that you can plant candytuft 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 candytuft and expect a good harvest is probably September. You probably don't want to wait any later than that or else your candytuft may not have a chance to grow to maturity. If you are starting your candytuft indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost is on 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 changes from year to year. Half of the time in Edwardsville you get surprised by a frost after April 15 so just be sure to be ready to cover your candytuft if you have a surprise 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.