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.

In South Holland you can figure out when it's a good idea to plant chives by reviewing the USDA zone info.

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 quite a bit earlier in the year because they are very cold tolerant.

The earliest that you can plant chives in South Holland 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 really do well. You can get started a little bit earlier by starting your chives indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in South Holland. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for South Holland is not always accurate the actual date of last frost will vary from year to year. Since half of the time in South Holland there is a last frost after April 15 be ready to cover your chives in the event of one of those late frosts.

USDA Zone Info for South Holland

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in South Holland

You may be interested in your other planting guides for South Holland.