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

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

Planting Calendar for Evolvulus

Frost tolerance for evolvulus:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since evolvulus do not do well in cold weather you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant evolvulus in Lombard is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant evolvulus and expect a good harvest is probably August. If you wait any later than that and your evolvulus may not have a chance to grow to maturity. You can get started a little bit earlier by starting your evolvulus indoors.

Last Frost Date

The average date of last frost is April 15 in Lombard. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Lombard 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 Lombard it frosts late in the year after April 15 so just be sure to be ready to cover your evolvulus in the event of one of those late frosts.

USDA Zone Info for Lombard

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 Lombard

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