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.

The first chance to plant oregano in Salem can be figured out by using the USDA zone info.

Planting Calendar for Oregano

Frost tolerance for oregano:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Oregano are moderately cold tolerant which tells us that you can start planting them earlier than more sensitive plants.

The earliest that you can plant oregano in Salem is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant oregano and expect a good harvest is probably September. You probably don't want to wait any later than that or else your oregano may not have a chance to fully mature. You can get started a few weeks earlier by starting your oregano indoors.

Last Frost Date

On average the last frost is on April 15 in Salem. It might get as low as -5°F during the coldest months of winter.

It's important to remember that USDA zone info for Salem may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Salem there is a last frost after April 15 so make sure that you are ready to protect your oregano in the event of a surprise late frost.

USDA Zone Info for Salem

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 Salem

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