One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of making a decision about when it's the best time to plant cardinal flower is to refer to the USDA zone info for Atlantic Beach.

Planting Calendar for Cardinal Flower

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

Cardinal Flower require warm weather which means that it's important to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant cardinal flower in Atlantic 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 cardinal flower and expect a good harvest is probably September. Any later than that and your cardinal flower may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your cardinal flower indoors.

Last Frost Date

The average date of last frost is February 15 in Atlantic Beach. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Atlantic Beach may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Atlantic Beach you get a frost after February 15 be ready to protect your cardinal flower in the event of one of those late frosts.

USDA Zone Info for Atlantic 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 Atlantic Beach

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