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.

You will be able to estimate when it's the best time to plant cardinal flower by checking out the USDA zone info for Sedona.

Planting Calendar for Cardinal Flower

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

Cardinal Flower are not cold tolerant 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 Sedona 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. If you wait any later than that and your cardinal flower may not have a chance to fully mature. If you are starting your cardinal flower indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Sedona. In the coldest months of winter you should expect an average low temperature of 15°F.

Keep in mind that USDA zone info for Sedona is an average and the actual date of last frost is different every year. Since half of the time in Sedona you get a frost after March 15 be ready to protect your cardinal flower if you have one of those late frosts.

USDA Zone Info for Sedona

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 Sedona

You may be interested in your other planting guides for Sedona.