When can I plant Anchusa in Zone 10a

Before planting it is a good idea to find our USDA Zone info to determine our garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

In Zone 10a you can determine when it's possible to plant anchusa by referring to the USDA zone info.


Planting Calendar for Anchusa

Frost tolerance for anchusa: Very tolerant of frost.
When you should plant them: Up to 7 weeks before last frost.

You can plant anchusa a lot earlier in the year because they do well in cold.

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

The earliest that you can plant anchusa in Zone 10a 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 anchusa and expect a good harvest is probably October. If you wait any later than that and your anchusa may not have a chance to really do well. Starting your anchusa indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Zone 10a the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

Always keep in mind that our actual date of last frost is an average because it is based on the USDA zone info for Zone 10a and it changes from year to year. Half of the time in Zone 10a there is a last frost after January 31 so always be ready to cover your anchusa in the event of a late frost.

USDA Zone Info for Zone 10a

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 Low30°F
Highest Expected Low35°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 Zone 10a

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