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

You will be able to estimate when you can plant jasmine by referring to the USDA zone info for Romeoville.

Planting Calendar for Jasmine

Frost tolerance for jasmine:	Not tolerant of frost.
When to plant:	After the last frost.

Jasmine are not cold tolerant which tells us that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant jasmine in Romeoville 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 jasmine and expect a good harvest is probably August. You probably don't want to wait any later than that or else your jasmine may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your jasmine indoors.

Last Frost Date

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

Since the USDA zone info for Romeoville is not always accurate the actual date of last frost will vary from year to year. Half of the time in Romeoville you get a frost after April 15 so make sure that you are ready to cover your jasmine if you have one of those late frosts.

USDA Zone Info for Romeoville

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 Romeoville

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