When to Plant Cardinal Flower in Jessup, 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 Jessup can be determined by using 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 are not cold tolerant you have 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 Jessup 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 little bit earlier by starting your cardinal flower indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Jessup. You should expect an average low temperature of -10°F in the coldest months of winter.

Always keep in mind that USDA zone info for Jessup is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Jessup last frost occurs after April 15 be ready to cover your cardinal flower if you have a surprise late frost.

USDA Zone Info for Jessup

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Jessup

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