The USDA Zone info is a great tool for gardeners to help us figure out 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.

A way of determining when it's possible to plant chinese chives is to refer to the USDA zone info for Yakima.

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 can survive in mild cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant chinese chives in Yakima 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. If you wait any later than that and your chinese chives may not have a chance to really do well. If you are starting your chinese chives indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Yakima. In the coldest months of winter you can expect an average low temperature of -5°F.

It's important to remember that USDA zone info for Yakima may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Yakima last frost occurs after April 15 be ready to protect your chinese chives if you have one of those late frosts.

USDA Zone Info for Yakima

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Yakima

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