Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Thousand Oaks can be reffered to in order to figure out when to plant borage.

Planting Calendar for Borage

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

Since borage do well in moderate cold you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant borage 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 borage and expect a good harvest is probably October. Any later than that and your borage may not have a chance to really do well. Starting your borage indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Thousand Oaks. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Thousand Oaks is an average the actual date of last frost will vary from year to year. Since half of the time in Thousand Oaks last frost occurs after January 31 be ready to cover your borage if you have a surprise 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.