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 Wahpeton you can figure out when it's a good idea to plant chinese chives by reviewing 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.

Chinese chives are moderately cold tolerant which means that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant chinese chives in Wahpeton 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. If you wait any later than that and 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

On average the last frost when the weather gets warmer is on May 15 in Wahpeton. You should expect an average low temperature of -30°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Wahpeton is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Wahpeton it frosts late in the year after May 15 so be sure to be ready to cover your chinese chives in the event of a surprise late frost.

USDA Zone Info for Wahpeton

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 Wahpeton

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