One of the first steps you take when you are figuring out 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.

A way of making a decision about when to plant chinese chives is to use the USDA zone info for Crookston.

Planting Calendar for Chinese chives

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

Chinese chives do well in mild cold which means that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant chinese chives in Crookston 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. You probably don't want to wait any later than that or else your chinese chives may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your chinese chives indoors.

Last Frost Date

In Crookston 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.

Remember that USDA zone info for Crookston is just an average and the actual date of last frost changes from year to year. Since half of the time in Crookston you get a frost after May 15 be ready to cover your chinese chives if you have a late frost.

USDA Zone Info for Crookston

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 Crookston

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