One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. 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 International Falls you should be able to figure out when it's possible to plant chinese chives.

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 other frost tender plants.

The earliest that you can plant chinese chives in International Falls 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 chinese chives and expect a good harvest is probably August. Any later than that and 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 few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in International Falls. You should expect an average low temperature of -40°F in the coldest months of winter.

Just be sure to remember that USDA zone info for International Falls may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in International Falls it frosts late in the year after May 15 be ready to protect your chinese chives if you have one of those late frosts.

USDA Zone Info for International Falls

Here is the info for USDA Zone 3a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-40°F
Highest Expected Low	-35°F

This means that on a really cold year, the coldest it will get is -40°F. On most years you should be prepared to experience lows near -35°F.

Plants to Grow in International Falls

You may be interested in your other planting guides for International Falls.