Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Brookfield should be reffered to in order to estimate when you can plant oleander.

Planting Calendar for Oleander

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

It's not a good idea to plant oleander until after the last frost has passed because they require warm weather.

The earliest that you can plant oleander in Brookfield 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 oleander and expect a good harvest is probably August. If you wait any later than that and your oleander may not have a chance to grow to maturity. Starting your oleander indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Brookfield. You should expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Brookfield is just an average and the actual date of last frost will vary from year to year. Half of the time in Brookfield last frost occurs after April 15 so make sure that you are ready to protect your oleander in the event of one of those late frosts.

USDA Zone Info for Brookfield

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 Brookfield

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