When to Plant Endive in Zone 1a

Before planting it is a good idea to find your USDA Zone info to determine 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 Zone 1a you can estimate when it's possible to plant endive by checking out 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 a little earlier in the year than plants that are more sensitive to 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 Zone 1a is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant endive and expect a good harvest is probably July. Any later than that and your endive may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your endive indoors.

Last Frost Date

On average all chance of frost has passed is on June 15 in Zone 1a. You should expect an average low temperature of -60°F in the coldest months of winter.

It's important to remember that USDA zone info for Zone 1a is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Zone 1a it frosts late in the year after June 15 so make sure that you are ready to protect your endive in the event of a surprise late frost.

USDA Zone Info for Zone 1a

Here is the info for USDA Zone 1a.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-60°F
Highest Expected Low-55°F

This means that on a really cold year, the coldest it will get is -60°F. On most years you should be prepared to experience lows near -55°F.

Plants to Grow in Zone 1a

You may be interested in your other planting guides for Zone 1a.