The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Red Wing you can determine when you can plant chinese chives by using the USDA zone info.

Planting Calendar for Chinese chives

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

You can plant chinese chives a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant chinese chives in Red Wing 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. You can get started a little bit earlier by starting your chinese chives indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Red Wing. In the coldest months of winter you can expect an average low temperature of -25°F.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Red Wing and it changes from year to year. Half of the time in Red Wing it frosts late in the year after May 15 so be sure to be ready to cover your chinese chives if you have a surprise late frost.

USDA Zone Info for Red Wing

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Red Wing

You may be interested in your other planting guides for Red Wing.