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.

You should be able to estimate when you can plant spearmint by referring to the USDA zone info for Thousand Oaks.

Planting Calendar for Spearmint

Frost tolerance for spearmint:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Spearmint are very cold tolerant which tells us that you can get them planted much earlier than more sensitive plants.

The earliest that you can plant spearmint in Thousand Oaks 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 spearmint and expect a good harvest is probably October. If you wait any later than that and your spearmint may not have a chance to really do well. You can get started a few weeks earlier by starting your spearmint indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Thousand Oaks. You should expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Thousand Oaks is not always accurate the actual date of last frost will vary from year to year. Half of the time in Thousand Oaks you get a frost after January 31 so make sure that you are ready to protect your spearmint in the event of a late frost.

USDA Zone Info for Thousand Oaks

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Thousand Oaks

You may be interested in your other planting guides for Thousand Oaks.