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

The first opportunity to plant blue lace flowers in Clarendon Hills should be determined by using the USDA zone info.

Planting Calendar for Blue Lace Flowers

Frost tolerance for blue lace flowers:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Blue Lace Flowers do ok in moderate cold which tells us that you can plant them slightly earlier than more sensitive plants.

The earliest that you can plant blue lace flowers in Clarendon Hills is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant blue lace flowers and expect a good harvest is probably August. Any later than that and your blue lace flowers may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your blue lace flowers indoors.

Last Frost Date

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

Remember that USDA zone info for Clarendon Hills may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Clarendon Hills it frosts late in the year after April 15 so just be sure to be ready to protect your blue lace flowers in the event of one of those late frosts.

USDA Zone Info for Clarendon Hills

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 Clarendon Hills

You may be interested in your other planting guides for Clarendon Hills.