One of the first steps you take when you are determining your gardening schedule is find your 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.

By reviewing the USDA zone info for Islamorada it's a good idea to estimate when to plant nasturtium.

Planting Calendar for Nasturtium

Frost tolerance for nasturtium:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since nasturtium do not do well in cold weather it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant nasturtium 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 nasturtium and expect a good harvest is probably November. You probably don't want to wait any later than that or else your nasturtium may not have a chance to really do well. If you are starting your nasturtium indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Islamorada is 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 nasturtium in the event of 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.