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.

A common way of determining when to plant torch lilys is to use the USDA zone info for Roseburg.

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 do well in cold which tells us that you can get them planted much earlier than more sensitive plants.

The earliest that you can plant torch lilys in Roseburg 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 fully mature. You can get started a little bit earlier by starting your torch lilys indoors.

Last Frost Date

The average date of last frost is February 15 in Roseburg. It might get as low as 20°F during the coldest months of winter.

It's important to remember that USDA zone info for Roseburg may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Roseburg you get surprised by a frost after February 15 so make sure that you are ready to cover your torch lilys in the event of a late frost.

USDA Zone Info for Roseburg

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 Roseburg

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