One of the best tools that you have as gardeners to help us determine 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 earliest that you can plant pole beans in Hillsboro should be determined by looking at 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 has passed.

It's not a good idea to plant pole beans until after all chance of frost has passed because they do not do well in cold 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. You probably don't want to wait any later than that or else your pole beans may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your pole beans indoors.

Last Frost Date

In Hillsboro the average date of last frost happens on March 15. You can expect an average low temperature of 15°F in the coldest months of winter.

Remember that USDA zone info for Hillsboro may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Hillsboro you get a frost after March 15 so always be ready to protect your pole beans in the event of one of those late frosts.

USDA Zone Info for Hillsboro

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Hillsboro

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