One of the best tools that you have as gardeners to help us estimate 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.

By reviewing the USDA zone info for Vienna it's possible to estimate when to plant torch lilys.

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 weather which means that you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant torch lilys in Vienna 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 torch lilys and expect a good harvest is probably September. If you wait any later than that and your torch lilys may not have a chance to grow to maturity. If you are starting your torch lilys indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Vienna. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Vienna may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Vienna you get a frost after April 15 be ready to cover your torch lilys in the event of one of those late frosts.

USDA Zone Info for Vienna

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Vienna

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