The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of figuring out when it's possible to plant mustard is to use the USDA zone info for Islamorada.

Planting Calendar for Mustard

Frost tolerance for mustard:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's probably not a good idea to plant mustard until after the last frost has passed because they require warm weather.

The earliest that you can plant mustard in Islamorada 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 mustard and expect a good harvest is probably November. Any later than that and your mustard may not have a chance to fully mature. Starting your mustard indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Islamorada it never frosts. You can expect an average low temperature of 40°F in the coldest months of winter.

Since the USDA zone info for Islamorada is just an average the actual date of last frost is different every year. Since it never frosts in Islamorada you do not have to be ready to cover your mustard if you have one of those late frosts.

USDA Zone Info for Islamorada

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 Islamorada

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