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When to Plant Chinese chives in Vernon Hills, IL

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

The earliest that you can plant chinese chives in Vernon Hills should be determined by looking at the USDA zone info.


Planting Calendar for Chinese chives

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

Since chinese chives are one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than plants that are more sensitive to the cold.

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 Vernon Hills 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. Any later than that and your chinese chives may not have a chance to fully mature. If you are starting your chinese chives indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Vernon Hills is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Vernon Hills you get surprised by a frost after April 15 so just be sure to be ready to protect your chinese chives if you have a surprise late frost.

USDA Zone Info for Vernon Hills

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 Vernon Hills

You may be interested in your other planting guides for Vernon Hills.