When to Plant Calliopsis in Turtle Creek, PA

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant calliopsis in Turtle Creek should be estimated by checking out the USDA zone info.


Planting Calendar for Calliopsis

Frost tolerance for calliopsis: Not tolerant of frost.
When to plant: After the last frost.

Since calliopsis do not do well in cold weather you must wait until after the last frost before you can plant them.

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

The earliest that you can plant calliopsis in Turtle Creek 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 calliopsis and expect a good harvest is probably August. Any later than that and your calliopsis may not have a chance to grow to maturity. You can get started a little bit earlier by starting your calliopsis indoors.

Last Frost Date

In Turtle Creek the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

It's important to remember that USDA zone info for Turtle Creek is just an average and the actual date of last frost changes from year to year. Half of the time in Turtle Creek you get a frost after April 15 so be sure to be ready to protect your calliopsis in the event of a surprise late frost.

USDA Zone Info for Turtle Creek

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 Turtle Creek

You may be interested in your other planting guides for Turtle Creek.