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

It's possible to figure out when you can plant oleander by using the USDA zone info for Oak Forest.

Planting Calendar for Oleander

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

Since oleander are not cold tolerant you have to wait until after the last frost before you can plant them.

The earliest that you can plant oleander in Oak Forest 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 really do well. Starting your oleander indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Oak Forest the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Oak Forest may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Oak Forest you get surprised by a frost after April 15 be ready to protect your oleander if you have a surprise late frost.

USDA Zone Info for Oak Forest

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 Forest

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