One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of making a decision about when you can plant tropical hibiscus is to use the USDA zone info for Covington.

Planting Calendar for Tropical Hibiscus

Frost tolerance for tropical hibiscus:	Not tolerant of frost.
When to plant:	After the last frost.

It's a bad idea to plant tropical hibiscus until after the last frost because they are not cold tolerant.

The earliest that you can plant tropical hibiscus in Covington is March. However, you really should wait until April 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 September. Any later than that and your tropical hibiscus may not have a chance to grow to maturity. You can get started a little bit earlier by starting your tropical hibiscus indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Covington. It might get as low as 20°F during the coldest months of winter.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Covington and it is different every year. Half of the time in Covington it frosts late in the year after February 15 so always be ready to protect your tropical hibiscus in the event of one of those late frosts.

USDA Zone Info for Covington

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

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

Plants to Grow in Covington

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