When to Plant Runner beans in Ferndale, WA

The USDA Zone info is a great tool for gardeners to help us determine 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 will be able to estimate when it's possible to plant runner beans by reviewing the USDA zone info for Ferndale.


Planting Calendar for Runner beans

Frost tolerance for runner beans: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

You really shouldn't plant runner beans until after the last frost has passed because they do not do well in cold weather.

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

The earliest that you can plant runner beans in Ferndale 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 runner beans and expect a good harvest is probably August. If you wait any later than that and your runner beans may not have a chance to grow to maturity. Starting your runner beans indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Ferndale may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Ferndale last frost occurs after March 15 so make sure that you are ready to protect your runner beans if you have a surprise late frost.

USDA Zone Info for Ferndale

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 Low10°F
Highest Expected Low15°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 Ferndale

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