When to Plant Scallions in Jerseyville, IL

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when to plant scallions by checking out the USDA zone info for Jerseyville.

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Planting Calendar for Scallions

Frost tolerance for scallions: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Scallions do ok in mild cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

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

The earliest that you can plant scallions in Jerseyville is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant scallions and expect a good harvest is probably August. If you wait any later than that and your scallions may not have a chance to really do well. You can get started a few weeks earlier by starting your scallions indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Jerseyville. It might get as low as -10°F during the coldest months of winter.

Always keep in mind that USDA zone info for Jerseyville 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 Jerseyville last frost occurs after April 15 so always be ready to protect your scallions if you have a surprise late frost.

USDA Zone Info for Jerseyville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Jerseyville

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