One of the first steps you take when you are making a decision about 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.

By referring to the USDA zone info for Chehalis it's possible to figure out when it's possible to plant green beans.

Planting Calendar for Green beans

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

Green beans do not do well in cold weather which means that you have to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

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

Last Frost Date

In Chehalis the average date of last frost happens on March 15. You should expect an average low temperature of 10°F in the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Chehalis and it is different every year. Half of the time in Chehalis you get a frost after March 15 so just be sure to be ready to cover your green beans in the event of a surprise late frost.

USDA Zone Info for Chehalis

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Chehalis

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