One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to estimate when to plant penstemon by reviewing the USDA zone info for Fernandina Beach.

Planting Calendar for Penstemon

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

Penstemon are moderately cold tolerant which means that you can get them planted earlier than plants that are more sensitive to the cold.

The earliest that you can plant penstemon in Fernandina Beach 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 penstemon and expect a good harvest is probably October. You probably don't want to wait any later than that or else your penstemon may not have a chance to really do well. You can get started a little bit earlier by starting your penstemon indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Fernandina Beach. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Fernandina Beach is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Fernandina Beach it frosts late in the year after February 15 so always be ready to cover your penstemon if you have one of those late frosts.

USDA Zone Info for Fernandina Beach

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Fernandina Beach

You may be interested in your other planting guides for Fernandina Beach.