When to Plant Endive in Yorkville, IL

One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant endive in Yorkville can be estimated by looking at the USDA zone info.

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Planting Calendar for Endive

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

You can plant endive just a bit earlier in the year because they do well in moderate 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 Yorkville 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. If you are starting your endive indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Yorkville. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Yorkville is an average the actual date of last frost is different every year. Since half of the time in Yorkville you get surprised by a frost after April 15 be ready to cover your endive if you have a surprise late frost.

USDA Zone Info for Yorkville

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 Yorkville

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