When to Plant Calliopsis in Mount Sterling, KY

The USDA Zone info is a great tool for gardeners to help us determine 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 USDA zone info for Mount Sterling should be reffered to in order to estimate when it's the best time to plant calliopsis.


Planting Calendar for Calliopsis

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

Calliopsis do not do well in cold weather which means that you need to wait until it warms up after all chance of frost has passed 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 Mount Sterling 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 really do well. You can get started a little bit earlier by starting your calliopsis indoors.

Last Frost Date

The average date of last frost is April 15 in Mount Sterling. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Mount Sterling may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Mount Sterling you get a frost after April 15 so just be sure to be ready to cover your calliopsis if you have one of those late frosts.

USDA Zone Info for Mount Sterling

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 Mount Sterling

You may be interested in your other planting guides for Mount Sterling.