One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when it's possible to plant snap beans is to consult the USDA zone info for Palmer.

Planting Calendar for Snap beans

Frost tolerance for snap beans:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You really shouldn't plant snap beans until after all chance of frost has passed because they require warm weather.

The earliest that you can plant snap beans in Palmer 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 snap beans and expect a good harvest is probably August. Any later than that and your snap beans may not have a chance to fully mature. If you are starting your snap beans indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Palmer is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Palmer you get a frost after May 15 so always be ready to cover your snap beans in the event of a surprise late frost.

USDA Zone Info for Palmer

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 Palmer

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