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

In Sturgeon Bay you can estimate when you can plant rosemary by using the USDA zone info.

Planting Calendar for Rosemary

Frost tolerance for rosemary:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant rosemary a lot earlier in the year because they do well in cold.

The earliest that you can plant rosemary in Sturgeon Bay is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant rosemary and expect a good harvest is probably September. Any later than that and your rosemary may not have a chance to grow to maturity. Starting your rosemary indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Sturgeon Bay. You can expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Sturgeon Bay is an average and the actual date of last frost will vary from year to year. Half of the time in Sturgeon Bay there is a last frost after April 15 so make sure that you are ready to cover your rosemary in the event of one of those late frosts.

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.