When to Plant Chinese chives in Silvis, IL

The USDA Zone info is a great tool for gardeners to help us estimate 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.

By checking out the USDA zone info for Silvis you should be able to estimate when it's the best time to plant chinese chives.

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Planting Calendar for Chinese chives

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

You can plant chinese chives just a bit earlier in the year because they are moderately cold tolerant.

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

The earliest that you can plant chinese chives in Silvis 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 chinese chives and expect a good harvest is probably September. You probably don't want to wait any later than that or else your chinese chives may not have a chance to really do well. Starting your chinese chives indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Silvis the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Silvis and it can change quite a bit from year to year. Half of the time in Silvis there is a last frost after April 15 so make sure that you are ready to protect your chinese chives if you have one of those late frosts.

USDA Zone Info for Silvis

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 Silvis

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