One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of determining when to plant endive is to use the USDA zone info for Highland.

Planting Calendar for Endive

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

Endive tend to make it in moderate cold which tells us that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant endive in Highland 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. If you wait any later than that and your endive may not have a chance to grow to maturity. Starting your endive indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Highland. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Highland is not always accurate the actual date of last frost changes from year to year. Half of the time in Highland it frosts late in the year after April 15 so just be sure to be ready to protect your endive if you have a late frost.

USDA Zone Info for Highland

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Highland

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