One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to determine when you can plant fennel by reviewing the USDA zone info for Anaheim.

Planting Calendar for Fennel

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

Since fennel do well in cold you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant fennel in Anaheim 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 fennel and expect a good harvest is probably October. If you wait any later than that and your fennel may not have a chance to fully mature. You can get started a little bit earlier by starting your fennel indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Anaheim. You should expect an average low temperature of 35°F in the coldest months of winter.

Always keep in mind that USDA zone info for Anaheim is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Anaheim you get surprised by a frost after January 31 be ready to cover your fennel if you have a surprise late frost.

USDA Zone Info for Anaheim

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Anaheim

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