The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant pennisetum in Key Biscayne can be figured out by reviewing the USDA zone info.

Planting Calendar for Pennisetum

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

You can plant pennisetum a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant pennisetum 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 pennisetum and expect a good harvest is probably November. Any later than that and your pennisetum may not have a chance to really do well. You can get started a couple of weeks earlier by starting your pennisetum indoors.

Last Frost Date

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

Since the USDA zone info for Key Biscayne is an average 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 cover your pennisetum in the event of 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.