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

You can figure out when you can plant fennel in Yucaipa by using the USDA zone info.

Planting Calendar for Fennel

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

Fennel do well in cold which means that you can plant them much earlier than other plants that might not handle the cold.

The earliest that you can plant fennel in Yucaipa 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 really do well. You can get started a few weeks earlier by starting your fennel indoors.

Last Frost Date

The average date of last frost is February 15 in Yucaipa. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Yucaipa is an average the actual date of last frost changes from year to year. Half of the time in Yucaipa there is a last frost after February 15 so just be sure to be ready to cover your fennel if you have a surprise late frost.

USDA Zone Info for Yucaipa

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 Yucaipa

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