The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to determine when you can plant runner beans by checking out the USDA zone info for Westminster.

Planting Calendar for Runner beans

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

It's probably not a good idea to plant runner beans until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant runner beans in Westminster is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant runner beans and expect a good harvest is probably September. You probably don't want to wait any later than that or else your runner beans may not have a chance to grow to maturity. Starting your runner beans indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Westminster the average date of last frost happens on January 31. It might get as low as 35°F during the coldest months of winter.

Always keep in mind that USDA zone info for Westminster is just an average and the actual date of last frost will vary from year to year. Since half of the time in Westminster it frosts late in the year after January 31 be ready to cover your runner beans in the event of a late frost.

USDA Zone Info for Westminster

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Westminster

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