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

A common way of estimating when it's possible to plant tropical hibiscus is to look at the USDA zone info for Sturgeon Bay.

Planting Calendar for Tropical Hibiscus

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

Tropical Hibiscus require warm weather which means that you must wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant tropical hibiscus in Sturgeon Bay 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 tropical hibiscus and expect a good harvest is probably August. If you wait any later than that and your tropical hibiscus may not have a chance to really do well. Starting your tropical hibiscus indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Sturgeon Bay. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Sturgeon Bay is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Sturgeon Bay you get surprised by a frost after April 15 be ready to cover your tropical hibiscus in the event of a late frost.

USDA Zone Info for Sturgeon Bay

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 Sturgeon Bay

You may be interested in your other planting guides for Sturgeon Bay.