One of the best tools that you have as gardeners to help us determine 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 will be able to figure out when it's a good idea to plant green beans by referring to the USDA zone info for Modesto.

Planting Calendar for Green beans

Frost tolerance for green beans:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's probably a bad idea to plant green beans until after the last frost because they require warm weather.

The earliest that you can plant green beans in Modesto 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 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 fully mature. Starting your green beans indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Modesto the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 25°F.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Modesto and it can change quite a bit from year to year. Half of the time in Modesto it frosts late in the year after February 15 so make sure that you are ready to cover your green beans in the event of a surprise late frost.

USDA Zone Info for Modesto

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 Low	25°F
Highest Expected Low	30°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 Modesto

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