When to Plant Calliopsis in Selinsgrove, PA

Before planting it is a good idea to find your USDA Zone info to determine 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 Selinsgrove should be figured out by referring to the USDA zone info.


Planting Calendar for Calliopsis

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

Since calliopsis require warm weather you have to 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 Selinsgrove 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. If you wait any later than that and your calliopsis may not have a chance to fully mature. You can get started a few weeks earlier by starting your calliopsis indoors.

Last Frost Date

The average date of last frost is April 15 in Selinsgrove. It might get as low as -5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Selinsgrove may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Selinsgrove there is a last frost after April 15 so always be ready to protect your calliopsis in the event of a late frost.

USDA Zone Info for Selinsgrove

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 Selinsgrove

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