The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Merrillville you can estimate when you can plant brunfelsia by referring to the USDA zone info.

Planting Calendar for Brunfelsia

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

It's a bad idea to plant brunfelsia until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant brunfelsia in Merrillville 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 all chance of frost has passed is on April 15 in Merrillville. In the coldest months of winter you should expect an average low temperature of -15°F.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Merrillville and it changes from year to year. Since half of the time in Merrillville you get a frost after April 15 be ready to protect your brunfelsia if you have a surprise late frost.

USDA Zone Info for Merrillville

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 Merrillville

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