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

You will be able to determine when you can plant lettuce by reviewing the USDA zone info for Vienna.

Planting Calendar for Lettuce

Frost tolerance for lettuce:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Lettuce do well in moderate cold which means that you can get them planted earlier than more sensitive plants.

The earliest that you can plant lettuce 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 lettuce and expect a good harvest is probably September. Any later than that and your lettuce may not have a chance to really do well. You can get started a little bit earlier by starting your lettuce indoors.

Last Frost Date

The average date of last frost is April 15 in Vienna. You can expect an average low temperature of 0°F in the coldest months of winter.

Keep in mind that USDA zone info for Vienna is an average and the actual date of last frost is different every year. Since half of the time in Vienna last frost occurs after April 15 be ready to cover your lettuce in the event of a late frost.

USDA Zone Info for Vienna

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Vienna

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