One of the best tools that you have as gardeners to help us estimate 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.

One way of making a decision about when it's possible to plant endive is to refer to the USDA zone info for Fort Lupton.

Planting Calendar for Endive

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

Endive can survive in moderate cold which means 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 Fort Lupton 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. 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 few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Fort Lupton. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Fort Lupton is an average the actual date of last frost is different every year. Since half of the time in Fort Lupton you get a frost after April 15 be ready to protect your endive in the event of one of those late frosts.

USDA Zone Info for Fort Lupton

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 Fort Lupton

You may be interested in your other planting guides for Fort Lupton.