One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Crystal Springs can be reffered to in order to estimate when it's possible 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 all chance of frost has passed.

You really shouldn't plant scarlet runner beans until after the last frost because they do not do well in cold weather.

The earliest that you can plant scarlet runner beans in Crystal Springs 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 few weeks earlier by starting your scarlet runner beans indoors.

Last Frost Date

The average date of last frost is March 15 in Crystal Springs. You can expect an average low temperature of 10°F in the coldest months of winter.

Keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Crystal Springs and it changes from year to year. Half of the time in Crystal Springs last frost occurs after March 15 so make sure that you are ready to protect your scarlet runner beans if you have a surprise late frost.

USDA Zone Info for Crystal Springs

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Crystal Springs

You may be interested in your other planting guides for Crystal Springs.