Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Centralia you can figure out when to plant hibiscus by looking at the USDA zone info.

Planting Calendar for Hibiscus

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

Since hibiscus require warm weather it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant hibiscus in Centralia 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 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 fully mature. If you are starting your hibiscus indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in Centralia. You should expect an average low temperature of 15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Centralia is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Centralia you get surprised by a frost after March 15 so just be sure to be ready to protect your hibiscus in the event of one of those late frosts.

USDA Zone Info for Centralia

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 Low	15°F
Highest Expected Low	20°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 Centralia

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