Before planting it is a good idea to find your USDA Zone info to figure out 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.

In Hercules you can figure out when it's possible to plant endive by using the USDA zone info.

Planting Calendar for Endive

Frost tolerance for endive:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Endive do well in moderate cold which tells us that you can plant them earlier than more sensitive plants.

The earliest that you can plant endive in Hercules 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 endive and expect a good harvest is probably October. You probably don't want to wait any later than that or else your endive may not have a chance to fully mature. Starting your endive indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Hercules is an average the actual date of last frost will vary from year to year. Since half of the time in Hercules it frosts late in the year after February 15 be ready to protect your endive if you have one of those late frosts.

USDA Zone Info for Hercules

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 Hercules

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