When can I plant Hardy Hibiscus in Zone 7b

The USDA Zone info is a great tool for gardeners to help us figure out our gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

You will be able to estimate when it's the best time to plant hardy hibiscus by checking out the USDA zone info for Zone 7b.


Planting Calendar for Hardy Hibiscus

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

Hardy Hibiscus tend to make it in quite a bit of cold which means that you can plant them a lot earlier in the year than other frost tender plants.

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 Zone 7b 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. If you wait any later than that and your hardy hibiscus may not have a chance to grow to maturity. You can get started a little bit earlier by starting your hardy hibiscus indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Zone 7b. In the coldest months of winter we can expect an average low temperature of 5°F.

Keep in mind that USDA zone info for Zone 7b may not be accurate from year to year and our actual date of last frost will vary from year to year. Since half of the time in Zone 7b last frost occurs after April 15 be ready to cover your hardy hibiscus if we have a late frost.

USDA Zone Info for Zone 7b

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low5°F
Highest Expected Low10°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 10°F.

Plants to Grow in Zone 7b

You may be interested in our other planting guides for Zone 7b.