One of the first steps you take when you are getting a good idea 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.

In Juneau you can estimate when it's possible to plant scarlet runner beans by looking at the USDA zone info.

Planting Calendar for Scarlet Runner Beans

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

It's probably not a good idea to plant scarlet runner beans until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant scarlet runner beans in Juneau 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 scarlet runner beans and expect a good harvest is probably August. If you wait any later than that and your scarlet runner beans may not have a chance to really do well. If you are starting your scarlet runner beans indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Juneau. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Juneau may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Juneau last frost occurs after April 15 be ready to cover your scarlet runner beans if you have one of those late frosts.

USDA Zone Info for Juneau

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Juneau

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