When to Plant Green beans in Centralia, WA

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when it's the best time to plant green beans in Centralia by using the USDA zone info.


Planting Calendar for Green beans

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

You should not plant green beans until after the last frost has passed because they do not do well in cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant green beans
Possibly ok, but a risky time to plant green beans
Probably not a good time to plant green beans

The earliest that you can plant green beans in Centralia 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 grow to maturity. You can get started a couple of weeks earlier by starting your green beans indoors.

Last Frost Date

The average date of last frost is March 15 in Centralia. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Centralia is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Centralia you get surprised by a frost after March 15 so make sure that you are prepared to protect your green beans in the event of a surprise late frost.

USDA Zone Info for Centralia

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Centralia

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