One of the first steps you take when you are estimating 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.

You should be able to figure out when it's a good idea to plant pole beans by using the USDA zone info for Medical Lake.

Planting Calendar for Pole beans

Frost tolerance for pole beans:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You really shouldn't plant pole beans until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant pole beans in Medical Lake 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. Any later than that and your pole beans may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your pole beans indoors.

Last Frost Date

In Medical Lake the average date of last frost happens on April 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 Medical Lake and it can change quite a bit from year to year. Half of the time in Medical Lake last frost occurs after April 15 so always be ready to cover your pole beans in the event of a late frost.

USDA Zone Info for Medical Lake

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Medical Lake

You may be interested in your other planting guides for Medical Lake.