One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to estimate when it's a good idea to plant bachelor buttons by reviewing the USDA zone info for Baraboo.

Planting Calendar for Bachelor Buttons

Frost tolerance for bachelor buttons:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Bachelor Buttons do ok in some cold which tells us that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant bachelor buttons in Baraboo is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant bachelor buttons and expect a good harvest is probably August. You probably don't want to wait any later than that or else your bachelor buttons may not have a chance to fully mature. Starting your bachelor buttons indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on May 15 in Baraboo. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Baraboo is not always accurate the actual date of last frost will vary from year to year. Half of the time in Baraboo last frost occurs after May 15 so just be sure to be ready to cover your bachelor buttons in the event of a late frost.

USDA Zone Info for Baraboo

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Baraboo

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