Before planting it is a good idea to find your USDA Zone info to estimate 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.

A common way of making a decision about when you can plant hibiscus is to refer to the USDA zone info for Lake Zurich.

Planting Calendar for Hibiscus

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

Since hibiscus are not cold tolerant it's important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant hibiscus in Lake Zurich 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 grow to maturity. You can get started a little bit earlier by starting your hibiscus indoors.

Last Frost Date

The average date of last frost is April 15 in Lake Zurich. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Lake Zurich is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Lake Zurich you get a frost after April 15 so make sure that you are ready to cover your hibiscus in the event of a surprise late frost.

USDA Zone Info for Lake Zurich

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 Lake Zurich

You may be interested in your other planting guides for Lake Zurich.