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.

You will be able to determine when you can plant scarlet runner beans by reviewing the USDA zone info for Port Arthur.

Planting Calendar for Scarlet Runner Beans

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

It's probably a bad idea to plant scarlet runner beans until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant scarlet runner beans in Port Arthur is March. However, you really should wait until April 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 September. Any later than that and your scarlet runner beans may not have a chance to grow to maturity. You can get started a little bit earlier by starting your scarlet runner beans indoors.

Last Frost Date

The average date of last frost is February 15 in Port Arthur. In the coldest months of winter you should expect an average low temperature of 20°F.

Just be sure to remember that USDA zone info for Port Arthur is not always accurate and the actual date of last frost is different every year. Half of the time in Port Arthur you get surprised by a frost after February 15 so make sure that you are prepared to cover your scarlet runner beans if you have a surprise late frost.

USDA Zone Info for Port Arthur

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Port Arthur

You may be interested in your other planting guides for Port Arthur.