Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Green River should be used to determine when it's a good idea to plant cucumbers.

Planting Calendar for Cucumbers

Frost tolerance for cucumbers:	Not tolerant of frost.
When to plant:	After the last frost.

You can not plant cucumbers until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant cucumbers in Green River is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant cucumbers and expect a good harvest is probably August. You probably don't want to wait any later than that or else your cucumbers may not have a chance to fully mature. You can get started a few weeks earlier by starting your cucumbers indoors.

Last Frost Date

In Green River the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -25°F.

Keep in mind that USDA zone info for Green River is an average and the actual date of last frost will vary from year to year. Half of the time in Green River you get surprised by a frost after May 15 so just be sure to be ready to protect your cucumbers if you have a 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.