One of the first steps you take when you are estimating your gardening schedule is find your 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.

One way of making a decision about when it's the best time to plant brunfelsia is to check out the USDA zone info for Warrenville.

Planting Calendar for Brunfelsia

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

Since brunfelsia require warm weather it is necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant brunfelsia in Warrenville 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. If you wait any later than that and your brunfelsia may not have a chance to grow to maturity. You can get started a little bit earlier by starting your brunfelsia indoors.

Last Frost Date

On average the last frost is on April 15 in Warrenville. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Warrenville may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Warrenville you get a frost after April 15 so make sure that you are ready to cover your brunfelsia if you have a late frost.

USDA Zone Info for Warrenville

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 Warrenville

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