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

You can figure out when it's a good idea to plant oleander in Ann Arbor by checking out the USDA zone info.

Planting Calendar for Oleander

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

Since oleander do not do well in cold weather you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant oleander in Ann Arbor 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 couple of weeks earlier.

Last Frost Date

In Ann Arbor the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Ann Arbor and it changes from year to year. Half of the time in Ann Arbor there is a last frost after April 15 so just be sure to be ready to cover your oleander in the event of one of those late frosts.

USDA Zone Info for Ann Arbor

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Ann Arbor

You may be interested in your other planting guides for Ann Arbor.