Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of figuring out when you can plant cardinal flower is to check out the USDA zone info for New Port Richey.

Planting Calendar for Cardinal Flower

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

Since cardinal flower are not cold tolerant it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant cardinal flower in New Port Richey 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. If you wait any later than that and your cardinal flower may not have a chance to grow to maturity. If you are starting your cardinal flower indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in New Port Richey. It might get as low as 25°F during the coldest months of winter.

Always keep in mind that USDA zone info for New Port Richey 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 New Port Richey you get a frost after February 15 be ready to cover your cardinal flower in the event of a late frost.

USDA Zone Info for New Port Richey

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in New Port Richey

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