When to Plant Common hollyhock in Fort Thomas, KY

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Fort Thomas you can determine when you can plant common hollyhock by using the USDA zone info.


Planting Calendar for Common hollyhock

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

Common hollyhock are moderately cold tolerant which tells us that you can plant them earlier than other plants that might not handle the cold.

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

The earliest that you can plant common hollyhock 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 common hollyhock and expect a good harvest is probably September. Any later than that and your common hollyhock may not have a chance to fully mature. If you are starting your common hollyhock indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Fort Thomas the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Fort Thomas is an average the actual date of last frost is different every year. Half of the time in Fort Thomas it frosts late in the year after April 15 so always be ready to cover your common hollyhock 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.