Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of making a decision about when it's the best time to plant hibiscus is to examine the USDA zone info for Jackson.

Planting Calendar for Hibiscus

Frost tolerance for hibiscus:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's a bad idea to plant hibiscus until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant hibiscus in Jackson is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant hibiscus and expect a good harvest is probably August. If you wait any later than that and your hibiscus may not have a chance to really do well. You can get started a few weeks earlier by starting your hibiscus indoors.

Last Frost Date

In Jackson the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -25°F.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Jackson and it can change quite a bit from year to year. Half of the time in Jackson last frost occurs after May 15 so make sure that you are ready to cover your hibiscus in the event of one of those late frosts.

USDA Zone Info for Jackson

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Jackson

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