One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of making a decision about when to plant oregano is to examine the USDA zone info for Grand Terrace.

Planting Calendar for Oregano

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

Since oregano are moderately cold tolerant you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant oregano in Grand Terrace 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. If you are starting your oregano indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Grand Terrace the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Remember that USDA zone info for Grand Terrace is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Grand Terrace last frost occurs after February 15 be ready to protect your oregano if you have a surprise late frost.

USDA Zone Info for Grand Terrace

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 Grand Terrace

You may be interested in your other planting guides for Grand Terrace.