One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Sheboygan Falls you can determine when you can plant onions by looking at the USDA zone info.

Planting Calendar for Onions

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

You can plant onions much earlier in the year because they are very cold tolerant.

The earliest that you can plant onions in Sheboygan Falls 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 onions and expect a good harvest is probably September. Any later than that and your onions may not have a chance to really do well. You can get started a little bit earlier by starting your onions indoors.

Last Frost Date

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

Since the USDA zone info for Sheboygan Falls is not always accurate the actual date of last frost is different every year. Half of the time in Sheboygan Falls you get a frost after April 15 so make sure that you are prepared to protect your onions in the event of a surprise late frost.

USDA Zone Info for Sheboygan Falls

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 Falls

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