One of the best tools that you have as gardeners to help us figure out 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 can figure out when it's a good idea to plant sweet corn in Islamorada by checking out the USDA zone info.

Planting Calendar for Sweet corn

Frost tolerance for sweet corn:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since sweet corn are barely cold tolerant you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant sweet corn 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 sweet corn and expect a good harvest is probably November. You probably don't want to wait any later than that or else your sweet corn may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your sweet corn indoors.

Last Frost Date

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

Remember that USDA zone info for Islamorada is an average and the actual date of last frost can change quite a bit from year to year. Since it never frosts in Islamorada you do not have to be ready to protect your sweet corn in the event of a late frost.

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.