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.

The first chance to plant green beans in Millbrae should be determined by using the USDA zone info.

Planting Calendar for Green beans

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

Green beans do not do well in cold weather which tells us that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant green beans in Millbrae 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 green beans and expect a good harvest is probably September. If you wait any later than that and your green beans may not have a chance to really do well. You can get started a little bit earlier by starting your green beans indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Millbrae. In the coldest months of winter you can expect an average low temperature of 30°F.

It's important to remember that USDA zone info for Millbrae is an average and the actual date of last frost will vary from year to year. Half of the time in Millbrae you get surprised by a frost after January 31 so make sure that you are prepared to cover your green beans in the event of a surprise late frost.

USDA Zone Info for Millbrae

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 Low	30°F
Highest Expected Low	35°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 Millbrae

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