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

The earliest that you can plant anchusa in Fullerton can be figured out by looking at the USDA zone info.

Planting Calendar for Anchusa

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

Anchusa do well in quite a bit of cold which tells us that you can plant them much earlier in the year than other plants that might not handle the cold.

The earliest that you can plant anchusa in Fullerton 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 grow to maturity. You can get started a couple of weeks earlier by starting your anchusa indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Fullerton. You can expect an average low temperature of 30°F in the coldest months of winter.

Always keep in mind that USDA zone info for Fullerton is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Fullerton you get surprised by a frost after January 31 be ready to protect your anchusa in the event of a surprise late frost.

USDA Zone Info for Fullerton

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 Fullerton

You may be interested in your other planting guides for Fullerton.