When to Plant Pole beans in University Place, WA

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.

The USDA zone info for University Place can be used to estimate when it's a good idea to plant pole beans.


Planting Calendar for Pole beans

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

Since pole beans do not do well in cold weather it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

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

The earliest that you can plant pole beans in University Place 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. If you wait any later than that and your pole beans may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your pole beans indoors.

Last Frost Date

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

Remember that USDA zone info for University Place is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in University Place it frosts late in the year after March 15 so always be ready to protect your pole beans in the event of one of those late frosts.

USDA Zone Info for University Place

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 University Place

You may be interested in your other planting guides for University Place.