When to Plant Chinese chives in Green River, WY

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Green River you can estimate when it's possible to 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.

Since chinese chives are one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant chinese chives
Possibly ok, but a risky time to plant chinese chives
Probably not a good time to plant chinese chives

The earliest that you can plant chinese chives in Green River 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 fully mature. If you are starting your chinese chives indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Green River. You can expect an average low temperature of -25°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Green River and it will vary from year to year. Since half of the time in Green River last frost occurs after May 15 be ready to protect your chinese chives if you have a surprise late frost.

USDA Zone Info for Green River

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 Green River

You may be interested in your other planting guides for Green River.