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.

You should be able to figure out when it's possible to plant oregano by using the USDA zone info for Pico Rivera.

Planting Calendar for Oregano

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

Oregano do ok in moderate cold which means that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant oregano in Pico Rivera 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 really do well. Starting your oregano indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in Pico Rivera. In the coldest months of winter you can expect an average low temperature of 35°F.

Since the USDA zone info for Pico Rivera may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Pico Rivera you get surprised by a frost after January 31 so make sure that you are ready to protect your oregano in the event of one of those late frosts.

USDA Zone Info for Pico Rivera

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Pico Rivera

You may be interested in your other planting guides for Pico Rivera.