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.

A way of determining when it's possible to plant torch lilys is to use the USDA zone info for Rohnert Park.

Planting Calendar for Torch Lilys

Frost tolerance for torch lilys:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Torch Lilys can survive in cold weather which tells us that you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant torch lilys in Rohnert Park is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant torch lilys and expect a good harvest is probably October. You probably don't want to wait any later than that or else your torch lilys may not have a chance to grow to maturity. Starting your torch lilys indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Rohnert Park. It might get as low as 25°F during the coldest months of winter.

It's important to remember that USDA zone info for Rohnert Park is an average and the actual date of last frost changes from year to year. Since half of the time in Rohnert Park last frost occurs after February 15 be ready to protect your torch lilys in the event of one of those late frosts.

USDA Zone Info for Rohnert Park

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Rohnert Park

You may be interested in your other planting guides for Rohnert Park.