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When to Plant Brunfelsia in Romeoville, IL

One of the best tools that you have as gardeners to help us determine 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.

You can estimate when it's a good idea to plant brunfelsia in Romeoville by using the USDA zone info.


Planting Calendar for Brunfelsia

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

Brunfelsia are not cold tolerant which tells us that it's necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant brunfelsia
Possibly ok, but a risky time to plant brunfelsia
Probably not a good time to plant brunfelsia

The earliest that you can plant brunfelsia 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 brunfelsia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your brunfelsia may not have a chance to grow to maturity. Starting your brunfelsia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Romeoville. You can expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Romeoville is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Romeoville it frosts late in the year after April 15 so make sure that you are prepared to protect your brunfelsia in the event of a late frost.

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.