One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. 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 you can plant cuphea by reviewing the USDA zone info for Sheboygan.

Planting Calendar for Cuphea

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

It's probably not a good idea to plant cuphea until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant cuphea in Sheboygan 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 cuphea and expect a good harvest is probably August. Any later than that and your cuphea may not have a chance to really do well. If you are starting your cuphea indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Sheboygan. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Sheboygan is just an average the actual date of last frost changes from year to year. Half of the time in Sheboygan last frost occurs after April 15 so always be ready to cover your cuphea in the event of one of those late frosts.

USDA Zone Info for Sheboygan

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 Sheboygan

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