When can I plant Tropical Hibiscus in Zone 8b

One of the first steps we take when we are determining our gardening schedule is find our USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

The first opportunity to plant tropical hibiscus in Zone 8b should be figured out by referring to the USDA zone info.


Planting Calendar for Tropical Hibiscus

Frost tolerance for tropical hibiscus: Not tolerant of frost.
When you should plant them: After the last frost when the weather gets warmer.

Tropical Hibiscus require warm weather which tells us that it's important to wait until it warms up after the last frost has passed before you can plant them.

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

The earliest that you can plant tropical hibiscus in Zone 8b 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 tropical hibiscus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your tropical hibiscus may not have a chance to fully mature. Starting your tropical hibiscus indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in Zone 8b. We can expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Zone 8b may not be accurate from year to year our actual date of last frost can change quite a bit from year to year. Half of the time in Zone 8b we get a frost after March 15 so make sure that you are ready to protect your tropical hibiscus in the event of one of those late frosts.

USDA Zone Info for Zone 8b

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Zone 8b

You may be interested in our other planting guides for Zone 8b.