One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Dunellen should be reffered to in order to figure out when it's the best time to plant oleander.

Planting Calendar for Oleander

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

You really shouldn't plant oleander until after the last frost because they are not cold tolerant.

The earliest that you can plant oleander in Dunellen 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. Any later than that and your oleander may not have a chance to fully mature. Starting your oleander indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Dunellen. It might get as low as -5°F during the coldest months of winter.

Keep in mind that USDA zone info for Dunellen is an average and the actual date of last frost changes from year to year. Half of the time in Dunellen you get surprised by a frost after April 15 so always be ready to cover your oleander in the event of a surprise late frost.

USDA Zone Info for Dunellen

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Dunellen

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