One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to determine when you can plant string beans by using the USDA zone info for Ione.

Planting Calendar for String beans

Frost tolerance for string beans:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

String beans require warm weather which means that it is important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant string beans in Ione 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 string beans and expect a good harvest is probably September. Any later than that and your string beans may not have a chance to fully mature. You can get started a little bit earlier by starting your string beans indoors.

Last Frost Date

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

Since the USDA zone info for Ione is not always accurate the actual date of last frost is different every year. Since half of the time in Ione last frost occurs after February 15 be ready to protect your string beans if you have a late frost.

USDA Zone Info for Ione

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 Ione

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