When can I plant Borage in Zone 11a

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

A common way of figuring out when it's a good idea to plant borage is to refer to the USDA zone info for Zone 11a.


Planting Calendar for Borage

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

You can plant borage a little earlier in the year because they are moderately cold tolerant.

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

The earliest that you can plant borage in Zone 11a 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 November. Any later than that and your borage may not have a chance to really do well. You can get started a little bit earlier by starting your borage indoors.

Last Frost Date

In Zone 11a it never frosts. In the coldest months of winter we should expect an average low temperature of 40°F.

Always keep in mind that USDA zone info for Zone 11a is an average and our actual date of last frost can change quite a bit from year to year. Since it never frosts in Zone 11a you do not have to be ready to protect your borage in the event of a late frost.

USDA Zone Info for Zone 11a

Here is the info for USDA Zone 11a.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low40°F
Highest Expected Low45°F

This means that on a really cold year, the coldest it will get is 40°F. On most years you should be prepared to experience lows near 45°F.

Plants to Grow in Zone 11a

You may be interested in our other planting guides for Zone 11a.