When to Plant Shallots in Roscoe, IL

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Roscoe it's possible to determine when you can plant shallots.


Planting Calendar for Shallots

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

Since shallots are barely cold tolerant you can plant them slightly earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant shallots in Roscoe 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 shallots and expect a good harvest is probably August. If you wait any later than that and your shallots may not have a chance to fully mature. If you are starting your shallots 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 Roscoe. You should expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Roscoe is just an average and the actual date of last frost changes from year to year. Since half of the time in Roscoe you get a frost after April 15 be ready to protect your shallots if you have one of those late frosts.

USDA Zone Info for Roscoe

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 Roscoe

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