One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. 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 Woodridge should be reviewed to figure out when it's a good idea to plant coral bells.

Planting Calendar for Coral Bells

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

Since coral bells are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant coral bells in Woodridge 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 coral bells and expect a good harvest is probably September. If you wait any later than that and your coral bells may not have a chance to grow to maturity. Starting your coral bells indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Woodridge. It might get as low as -15°F during the coldest months of winter.

Keep in mind that USDA zone info for Woodridge is an average and the actual date of last frost is different every year. Since half of the time in Woodridge you get a frost after April 15 be ready to protect your coral bells in the event of a late frost.

USDA Zone Info for Woodridge

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Woodridge

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