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.

A common way of getting a good idea when it's the best time to plant cardinal flower is to refer to the USDA zone info for North Palm Beach.

Planting Calendar for Cardinal Flower

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

Since cardinal flower require warm weather you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant cardinal flower in North Palm Beach is February. However, you really should wait until March 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. If you wait any later than that and your cardinal flower may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your cardinal flower indoors.

Last Frost Date

In North Palm Beach the average date of last frost happens on January 31. You can expect an average low temperature of 35°F in the coldest months of winter.

Since the USDA zone info for North Palm Beach is not always accurate the actual date of last frost is different every year. Since half of the time in North Palm Beach you get a frost after January 31 be ready to cover your cardinal flower in the event of a surprise late frost.

USDA Zone Info for North Palm Beach

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in North Palm Beach

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