The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Show Low you can figure out when it's possible to plant cardinal flower by looking at 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 has passed because they require warm weather.

The earliest that you can plant cardinal flower in Show Low 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 couple of weeks earlier by starting your cardinal flower indoors.

Last Frost Date

In Show Low the average date of last frost happens on April 15. You should expect an average low temperature of -5°F in the coldest months of winter.

It's important to remember that USDA zone info for Show Low may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Show Low there is a last frost after April 15 so make sure that you are prepared to cover your cardinal flower if you have a late frost.

USDA Zone Info for Show Low

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Show Low

You may be interested in your other planting guides for Show Low.