One of the first steps you take when you are figuring out 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.

A way of estimating when to plant blue throatwort is to examine the USDA zone info for Fernandina Beach.

Planting Calendar for Blue Throatwort

Frost tolerance for blue throatwort:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Blue Throatwort do not do well in cold weather which means that it is necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant blue throatwort in Fernandina Beach is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant blue throatwort and expect a good harvest is probably September. Any later than that and your blue throatwort may not have a chance to grow to maturity. If you are starting your blue throatwort indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Fernandina Beach. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Fernandina Beach is not always accurate the actual date of last frost will vary from year to year. Half of the time in Fernandina Beach last frost occurs after February 15 so be sure to be ready to protect your blue throatwort in the event of 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.