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.

A common way of estimating when you can plant oregano is to examine the USDA zone info for Downey.

Planting Calendar for Oregano

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

Oregano tend to make it in some cold which tells us that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant oregano in Downey 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. Any later than that and your oregano may not have a chance to grow to maturity. Starting your oregano indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on January 31 in Downey. In the coldest months of winter you can expect an average low temperature of 35°F.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Downey and it is different every year. Half of the time in Downey you get a frost after January 31 so just be sure to be ready to cover your oregano if you have a late frost.

USDA Zone Info for Downey

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 Downey

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