When to Plant Cardinal Flower in Easton, PA

The USDA Zone info is a great tool for gardeners to help us estimate 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.

The first chance to plant cardinal flower in Easton should be figured out by reviewing 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.

Since cardinal flower do not do well in cold weather you must wait until after the last frost when the weather gets warmer 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 Easton 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 really do well. You can get started a couple of weeks earlier by starting your cardinal flower indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Easton. In the coldest months of winter you should expect an average low temperature of -5°F.

Keep in mind that USDA zone info for Easton is just an average and the actual date of last frost is different every year. Since half of the time in Easton you get surprised by a frost after April 15 be ready to protect your cardinal flower if you have a surprise late frost.

USDA Zone Info for Easton

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 Low0°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 Easton

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