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.

It's possible to determine when it's the best time to plant hibiscus by referring to the USDA zone info for Hinsdale.

Planting Calendar for Hibiscus

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

Since hibiscus require warm weather it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant hibiscus in Hinsdale 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. You can get started a couple of weeks earlier by starting your hibiscus indoors.

Last Frost Date

On average the last frost is on April 15 in Hinsdale. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Hinsdale may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Hinsdale it frosts late in the year after April 15 so always be ready to protect your hibiscus if you have a late frost.

USDA Zone Info for Hinsdale

Here is the info for USDA Zone 5b.

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

Plants to Grow in Hinsdale

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