Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of estimating when it's a good idea to plant mustard greens is to refer to the USDA zone info for Key Biscayne.

Planting Calendar for Mustard greens

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

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

The earliest that you can plant mustard greens 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 mustard greens and expect a good harvest is probably November. If you wait any later than that and your mustard greens may not have a chance to fully mature. You can get started a little bit earlier by starting your mustard greens indoors.

Last Frost Date

In Key Biscayne it never frosts. It might get as low as 40°F during the coldest months of winter.

Since the USDA zone info for Key Biscayne is not always accurate the actual date of last frost can change quite a bit from year to year. Since it never frosts in Key Biscayne you do not have to be ready to protect your mustard greens if you have a surprise late frost.

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.