One of the best tools that you have as gardeners to help us estimate 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.

By referring to the USDA zone info for Huron you will be able to estimate when it's the best time to plant string beans.

Planting Calendar for String beans

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

It's not a good idea to plant string beans until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant string beans in Huron 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 couple of weeks earlier by starting your string beans indoors.

Last Frost Date

The average date of last frost is February 15 in Huron. In the coldest months of winter you should expect an average low temperature of 20°F.

Just be sure to remember that USDA zone info for Huron may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Huron it frosts late in the year after February 15 so just be sure to be ready to protect your string beans if you have a surprise late frost.

USDA Zone Info for Huron

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Huron

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