When to Plant Chives in Roscoe, IL

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Roscoe should be looked at to determine when it's a good idea to plant chives.

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Planting Calendar for Chives

Frost tolerance for chives: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

You can plant chives a lot earlier in the year because they are very cold tolerant.

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

The earliest that you can plant chives in Roscoe 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 chives and expect a good harvest is probably September. Any later than that and your chives may not have a chance to fully mature. If you are starting your chives indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Roscoe and it changes from year to year. Half of the time in Roscoe you get surprised by a frost after April 15 so be sure to be ready to cover your chives if you have a surprise late frost.

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.