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When to Plant Scarlet Runner Beans in Moraga, CA

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.

You can figure out when it's possible to plant scarlet runner beans in Moraga by checking out 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 has passed.

Since scarlet runner beans require warm weather you must wait until after the last frost when the weather gets warmer 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 Moraga 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 grow to maturity. If you are starting your scarlet runner beans indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Moraga. You can expect an average low temperature of 25°F in the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Moraga and it changes from year to year. Since half of the time in Moraga you get a frost after February 15 be ready to protect your scarlet runner beans in the event of one of those late frosts.

USDA Zone Info for Moraga

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Moraga

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