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When to Plant Scarlet Runner Beans in Belmont, CA

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when you can plant scarlet runner beans in Belmont by referring to the USDA zone info.


Planting Calendar for Scarlet Runner Beans

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

Since scarlet runner beans do not do well in cold weather it's important 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 Belmont is February. However, you really should wait until March 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 fully mature. If you are starting your scarlet runner beans indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost is on January 31 in Belmont. In the coldest months of winter you should expect an average low temperature of 30°F.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Belmont and it can change quite a bit from year to year. Half of the time in Belmont there is a last frost after January 31 so just be sure to be ready to protect your scarlet runner beans if you have one of those late frosts.

USDA Zone Info for Belmont

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Belmont

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