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 West you can determine when you can plant begonias by reviewing the USDA zone info.

Planting Calendar for Begonias

Frost tolerance for begonias:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You should not plant begonias until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant begonias in Key West 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 begonias and expect a good harvest is probably November. Any later than that and your begonias may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your begonias indoors.

Last Frost Date

In Key West it never frosts. It might get as low as 45°F during the coldest months of winter.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Key West and it can change quite a bit from year to year. Since it never frosts in Key West you do not have to be ready to cover your begonias in the event of a surprise late frost.

USDA Zone Info for Key West

Here is the info for USDA Zone 11b.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	45°F
Highest Expected Low	50°F

This means that on a really cold year, the coldest it will get is 45°F. On most years you should be prepared to experience lows near 50°F.

Plants to Grow in Key West

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