One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

You can determine when it's a good idea to plant cardinal flower in Sapulpa 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 the last frost when the weather gets warmer.

It's probably a bad idea to plant cardinal flower until after the last frost because they require warm weather.

The earliest that you can plant cardinal flower in Sapulpa 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. 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

On average all chance of frost has passed is on April 15 in Sapulpa. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Sapulpa is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Sapulpa you get surprised by a frost after April 15 be ready to cover your cardinal flower in the event of one of those late frosts.

USDA Zone Info for Sapulpa

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Sapulpa

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