Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to determine when to plant chives by referring to the USDA zone info for Grand Forks.

Planting Calendar for Chives

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

Since chives are very cold tolerant you can plant them earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant chives in Grand Forks is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant chives and expect a good harvest is probably August. You probably don't want to wait any later than that or else your chives may not have a chance to really do well. 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

In Grand Forks the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -30°F.

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Grand Forks and it changes from year to year. Since half of the time in Grand Forks you get a frost after May 15 be ready to cover your chives in the event of one of those late frosts.

USDA Zone Info for Grand Forks

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Grand Forks

You may be interested in your other planting guides for Grand Forks.