The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Scappoose you will be able to figure out when it's the best time to plant scarlet runner beans.

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 not a good idea to plant scarlet runner beans until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant scarlet runner beans in Scappoose 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. You probably don't want to wait any later than that or else your scarlet runner beans may not have a chance to really do well. You can get started a little bit earlier by starting your scarlet runner beans indoors.

Last Frost Date

On average the last frost is on March 15 in Scappoose. It might get as low as 15°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Scappoose is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Scappoose last frost occurs after March 15 be ready to cover your scarlet runner beans if you have a late frost.

USDA Zone Info for Scappoose

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 Low	15°F
Highest Expected Low	20°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 Scappoose

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