One of the first steps you take when you are making a decision about 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.

The best time to plant cardinal flower in Port Royal should be determined by checking out the USDA zone info.

Planting Calendar for Cardinal Flower

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

You should not plant cardinal flower until after the last frost because they do not do well in cold weather.

The earliest that you can plant cardinal flower in Port Royal is April. However, you really should wait until May 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 August. You probably don't want to wait any later than that or else your cardinal flower may not have a chance to fully mature. You can get started a few weeks earlier by starting your cardinal flower indoors.

Last Frost Date

On average the last frost is on March 15 in Port Royal. It might get as low as 15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Port Royal may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Port Royal you get a frost after March 15 be ready to cover your cardinal flower in the event of a surprise late frost.

USDA Zone Info for Port Royal

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Port Royal

You may be interested in your other planting guides for Port Royal.