Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of determining when it's a good idea to plant oleander is to look at the USDA zone info for Trenton.

Planting Calendar for Oleander

Frost tolerance for oleander:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since oleander do not do well in cold weather you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant oleander in Trenton 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. You can get started a little bit earlier by starting your oleander indoors.

Last Frost Date

The average date of last frost is April 15 in Trenton. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Trenton is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Trenton it frosts late in the year after April 15 be ready to protect your oleander in the event of one of those late frosts.

USDA Zone Info for Trenton

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 Trenton

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