The USDA Zone info is a great tool for gardeners to help us figure out 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.

A common way of estimating when to plant endive is to check out the USDA zone info for Sulphur.

Planting Calendar for Endive

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

Endive are one of those plants that can tolerate a little bit of cold weather which means that you can plant them a little bit earlier than other plants that might not handle the cold.

The earliest that you can plant endive in Sulphur is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant endive and expect a good harvest is probably September. Any later than that and your endive may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your endive indoors.

Last Frost Date

The average date of last frost is April 15 in Sulphur. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Sulphur is just an average the actual date of last frost will vary from year to year. Half of the time in Sulphur you get surprised by a frost after April 15 so make sure that you are ready to cover your endive in the event of a late frost.

USDA Zone Info for Sulphur

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Sulphur

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