One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant torch lilys in Rosenberg should be estimated by using the USDA zone info.

Planting Calendar for Torch Lilys

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

You can plant torch lilys a lot earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

The earliest that you can plant torch lilys in Rosenberg 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 really do well. Starting your torch lilys indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Rosenberg. You can expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Rosenberg may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Rosenberg you get surprised by a frost after February 15 so be sure to be ready to protect your torch lilys if you have 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.