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

It's a good idea to figure out when it's the best time to plant chives by using the USDA zone info for Herrin.

Planting Calendar for Chives

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

Chives can survive in quite a bit of cold which means that you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant chives in Herrin 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. You probably don't want to wait any later than that or else your chives may not have a chance to fully mature. Starting your chives indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Herrin. It might get as low as -5°F during the coldest months of winter.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Herrin and it changes from year to year. Since half of the time in Herrin you get surprised by a frost after April 15 be ready to protect your chives if you have a late frost.

USDA Zone Info for Herrin

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Herrin

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