When to Plant Hardy Hibiscus in Benton, 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 Benton can be read to estimate when you can plant hardy hibiscus.


Planting Calendar for Hardy Hibiscus

Frost tolerance for hardy hibiscus: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Since hardy hibiscus are very cold tolerant you can plant them earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant hardy hibiscus in Benton 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 hardy hibiscus and expect a good harvest is probably September. You probably don't want to wait any later than that or else your hardy hibiscus may not have a chance to really do well. You can get started a little bit earlier by starting your hardy hibiscus indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Benton. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Benton is an average the actual date of last frost will vary from year to year. Half of the time in Benton it frosts late in the year after April 15 so make sure that you are ready to protect your hardy hibiscus in the event of a surprise late frost.

USDA Zone Info for Benton

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Benton

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