One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant nolana in Oak Brook can be estimated by reviewing the USDA zone info.

Planting Calendar for Nolana

Frost tolerance for nolana:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since nolana require warm weather you need to wait until after the last frost before you can plant them.

The earliest that you can plant nolana in Oak Brook 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 nolana and expect a good harvest is probably August. You probably don't want to wait any later than that or else your nolana may not have a chance to really do well. You can get started a little bit earlier by starting your nolana indoors.

Last Frost Date

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

Remember that USDA zone info for Oak Brook is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Oak Brook last frost occurs after April 15 so just be sure to be ready to protect your nolana if you have a surprise late frost.

USDA Zone Info for Oak Brook

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 Oak Brook

You may be interested in your other planting guides for Oak Brook.