Before planting it is a good idea to find your USDA Zone info to determine 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 you can plant chicory by looking at the USDA zone info.

Planting Calendar for Chicory

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

Since chicory do well in moderate cold you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant chicory 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 chicory and expect a good harvest is probably August. If you wait any later than that and your chicory may not have a chance to really do well. If you are starting your chicory 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. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Green River is not always accurate the actual date of last frost changes from year to year. Since half of the time in Green River there is a last frost after May 15 be ready to protect your chicory in the event of one of those late frosts.

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.