The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to estimate when you can plant anchusa by using the USDA zone info for San Jacinto.

Planting Calendar for Anchusa

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

You can plant anchusa a lot earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

The earliest that you can plant anchusa in San Jacinto 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. You probably don't want to wait any later than that or else your anchusa may not have a chance to fully mature. Starting your anchusa indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

It's important to remember that USDA zone info for San Jacinto is an average and the actual date of last frost is different every year. Since half of the time in San Jacinto it frosts late in the year after February 15 be ready to cover your anchusa in the event of a surprise late frost.

USDA Zone Info for San Jacinto

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 San Jacinto

You may be interested in your other planting guides for San Jacinto.