The USDA Zone info is a great tool for gardeners to help us estimate your gardening 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 figure out when it's possible to plant chinese chives by referring to the USDA zone info for Spirit Lake.

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 moderate cold which means that you can plant them earlier than other frost tender plants.

The earliest that you can plant chinese chives in Spirit Lake is February. However, you really should wait until March 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 September. 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 little bit earlier.

Last Frost Date

In Spirit Lake the average date of last frost happens on April 15. It might get as low as -20°F during the coldest months of winter.

Remember that USDA zone info for Spirit Lake may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Spirit Lake last frost occurs after April 15 be ready to cover your chinese chives if you have a surprise late frost.

USDA Zone Info for Spirit Lake

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Spirit Lake

You may be interested in your other planting guides for Spirit Lake.