When to Plant Dianthus in Fort Thomas, KY

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Fort Thomas can be reviewed to estimate when you can plant dianthus.


Planting Calendar for Dianthus

Frost tolerance for dianthus: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Since dianthus are moderately cold tolerant you can plant them just a bit earlier in the year than other frost tender plants.

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

The earliest that you can plant dianthus in Fort Thomas is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant dianthus and expect a good harvest is probably September. Any later than that and your dianthus may not have a chance to fully mature. If you are starting your dianthus indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Fort Thomas may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Fort Thomas last frost occurs after April 15 be ready to protect your dianthus in the event of a late frost.

USDA Zone Info for Fort Thomas

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 Fort Thomas

You may be interested in your other planting guides for Fort Thomas.