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 estimate when to plant runner beans by referring to the USDA zone info for Rosenberg.

Planting Calendar for Runner beans

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

Runner beans do not do well in cold weather which means that it is necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant runner beans in Rosenberg 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 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 fully mature. Starting your runner beans indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Rosenberg. In the coldest months of winter you should expect an average low temperature of 20°F.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Rosenberg and it will vary from year to year. Since half of the time in Rosenberg last frost occurs after February 15 be ready to protect your runner beans in the event of a late frost.

USDA Zone Info for Rosenberg

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 Rosenberg

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