When to Plant Endive in Frederick, CO

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant endive in Frederick can be determined 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.

Since endive are one of those plants that can tolerate a little bit of cold weather you can plant them a bit earlier in the year than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant endive
Possibly ok, but a risky time to plant endive
Probably not a good time to plant endive

The earliest that you can plant endive in Frederick 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 really do well. You can get started a couple of weeks earlier by starting your endive indoors.

Last Frost Date

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

Since the USDA zone info for Frederick may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Frederick last frost occurs after April 15 be ready to cover your endive in the event of a surprise late frost.

USDA Zone Info for Frederick

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 Frederick

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