frostdate name logo in white
frostdate name logo in white

When to Plant Scarlet Runner Beans in Sulphur, LA

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Sulphur you should 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 when the weather gets warmer.

Since scarlet runner beans do not do well in cold weather it's necessary to wait until after the last frost has passed before you can plant them.

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

The earliest that you can plant scarlet runner beans in Sulphur 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. 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. Starting your scarlet runner beans indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Sulphur the average date of last frost happens on February 15. It might get as low as 20°F during the coldest months of winter.

It's important to remember that USDA zone info for Sulphur may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Sulphur last frost occurs after February 15 be ready to cover your scarlet runner beans if you have one of those late frosts.

USDA Zone Info for Sulphur

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 Low20°F
Highest Expected Low25°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 Sulphur

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