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.

In Key Biscayne you can estimate when it's possible to plant lettuce by referring to the USDA zone info.

Planting Calendar for Lettuce

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

You can plant lettuce a little earlier in the year because they do well in moderate cold.

The earliest that you can plant lettuce in Key Biscayne 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 lettuce and expect a good harvest is probably November. You probably don't want to wait any later than that or else 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

In Key Biscayne it never frosts. In the coldest months of winter you can expect an average low temperature of 40°F.

Just be sure to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Key Biscayne and it will vary from year to year. Since it never frosts in Key Biscayne you do not have to be ready to protect your lettuce in the event of one of those late frosts.

USDA Zone Info for Key Biscayne

Here is the info for USDA Zone 11a.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	40°F
Highest Expected Low	45°F

This means that on a really cold year, the coldest it will get is 40°F. On most years you should be prepared to experience lows near 45°F.

Plants to Grow in Key Biscayne

You may be interested in your other planting guides for Key Biscayne.