When to Plant Snap beans in Duvall, WA

One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to determine when you can plant snap beans by referring to the USDA zone info for Duvall.


Planting Calendar for Snap beans

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

It's a bad idea to plant snap beans until after all chance of frost has passed because they are not cold tolerant.

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

The earliest that you can plant snap beans in Duvall 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 snap beans and expect a good harvest is probably August. You probably don't want to wait any later than that or else your snap beans may not have a chance to really do well. You can get started a couple of weeks earlier by starting your snap beans indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Duvall. In the coldest months of winter you can expect an average low temperature of 15°F.

Remember that USDA zone info for Duvall is not always accurate and the actual date of last frost changes from year to year. Half of the time in Duvall you get surprised by a frost after March 15 so just be sure to be ready to cover your snap beans if you have a surprise late frost.

USDA Zone Info for Duvall

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 Duvall

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