When can I plant Oregano in Zone 10b

One of the best tools that we have as gardeners to help us determine our gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

It's a good idea to determine when you can plant oregano by referring to the USDA zone info for Zone 10b.


Planting Calendar for Oregano

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

You can plant oregano a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant oregano
Possibly ok, but a risky time to plant oregano
Probably not a good time to plant oregano

The earliest that you can plant oregano in Zone 10b 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. You probably don't want to wait any later than that or else your oregano may not have a chance to grow to maturity. If you are starting your oregano indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Zone 10b the average date of last frost happens on January 31. We can expect an average low temperature of 35°F in the coldest months of winter.

Since the USDA zone info for Zone 10b is an average our actual date of last frost is different every year. Since half of the time in Zone 10b we get a frost after January 31 be ready to protect your oregano if we have a late frost.

USDA Zone Info for Zone 10b

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 Low35°F
Highest Expected Low40°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 Zone 10b

You may be interested in our other planting guides for Zone 10b.