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When to Plant Cardinal Flower in Broadview Heights, OH

One of the first steps you take when you are making a decision about 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 can estimate when it's a good idea to plant cardinal flower in Broadview Heights by using 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.

Since cardinal flower require warm weather it's important to wait until after the last frost before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant cardinal flower
Possibly ok, but a risky time to plant cardinal flower
Probably not a good time to plant cardinal flower

The earliest that you can plant cardinal flower in Broadview Heights 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 grow to maturity. Starting your cardinal flower indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Broadview Heights is not always accurate and the actual date of last frost changes from year to year. Half of the time in Broadview Heights you get surprised by a frost after April 15 so be sure to be ready to cover your cardinal flower if you have a surprise late frost.

USDA Zone Info for Broadview Heights

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°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 -10°F.

Plants to Grow in Broadview Heights

You may be interested in your other planting guides for Broadview Heights.