One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when you can plant pole beans is to refer to the USDA zone info for West Richland.

Planting Calendar for Pole beans

Frost tolerance for pole beans:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Pole beans require warm weather which means that it's important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant pole beans in West Richland is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant pole beans and expect a good harvest is probably August. Any later than that and your pole beans may not have a chance to fully mature. You can get started a few weeks earlier by starting your pole beans indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in West Richland. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for West Richland is just an average the actual date of last frost will vary from year to year. Since half of the time in West Richland you get surprised by a frost after April 15 be ready to cover your pole beans if you have one of those late frosts.

USDA Zone Info for West Richland

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in West Richland

You may be interested in your other planting guides for West Richland.