One of the best tools that you have as gardeners to help us estimate 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 first opportunity to plant green beans in Campbell can 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 when the weather gets warmer.

Since green beans are not cold tolerant it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant green beans in Campbell 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 green beans and expect a good harvest is probably August. You probably don't want to wait any later than that or else your green beans may not have a chance to really do well. Starting your green beans indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Campbell. You can expect an average low temperature of -10°F in the coldest months of winter.

Keep in mind that USDA zone info for Campbell may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Campbell you get a frost after April 15 be ready to protect your green beans if you have a surprise late frost.

USDA Zone Info for Campbell

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Campbell

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