Before planting it is a good idea to find your USDA Zone info to figure out your garden 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 oregano in Perris by looking at 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.

Since oregano do well in moderate cold you can plant them just a bit earlier in the year than other frost tender plants.

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

The last month that you can plant oregano and expect a good harvest is probably October. If you wait any later than that and your oregano may not have a chance to fully mature. Starting your oregano indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Perris. In the coldest months of winter you should expect an average low temperature of 25°F.

Remember that USDA zone info for Perris is an average and the actual date of last frost is different every year. Half of the time in Perris you get surprised by a frost after February 15 so make sure that you are ready to cover your oregano if you have a late frost.

USDA Zone Info for Perris

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Perris

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