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.

The earliest that you can plant pole beans in Hillsboro should be figured out by using the USDA zone info.

Planting Calendar for Pole beans

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

You really shouldn't plant pole beans until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant pole beans in Hillsboro 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 pole beans and expect a good harvest is probably August. Any later than that and your pole beans may not have a chance to grow to maturity. Starting your pole beans indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Hillsboro. It might get as low as 10°F during the coldest months of winter.

It's important to remember that USDA zone info for Hillsboro is just an average and the actual date of last frost is different every year. Since half of the time in Hillsboro you get surprised by a frost after March 15 be ready to protect your pole beans if you have one of those late frosts.

USDA Zone Info for Hillsboro

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Hillsboro

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