Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to determine when it's a good idea to plant scarlet runner beans by looking at the USDA zone info for Newton.

Planting Calendar for Scarlet Runner Beans

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

It's probably not a good idea to plant scarlet runner beans until after the last frost because they require warm weather.

The earliest that you can plant scarlet runner beans in Newton 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 fully mature. You can get started a little bit earlier by starting your scarlet runner beans indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Newton. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Newton is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Newton last frost occurs after April 15 so be sure to be ready to protect your scarlet runner beans in the event of a surprise late frost.

USDA Zone Info for Newton

Here is the info for USDA Zone 5b.

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

Plants to Grow in Newton

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