Before planting it is a good idea to find your USDA Zone info to estimate 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.

In Salem you can determine when it's the best time to plant oleander by using the USDA zone info.

Planting Calendar for Oleander

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

It's probably 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 Salem 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 really do well. Starting your oleander indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on March 15 in Salem. You should expect an average low temperature of 15°F in the coldest months of winter.

Remember that USDA zone info for Salem is an average and the actual date of last frost changes from year to year. Since half of the time in Salem you get a frost after March 15 be ready to cover your oleander in the event of a surprise late frost.

USDA Zone Info for Salem

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Salem

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