The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Chaska it's possible to figure out when to plant bachelor buttons.

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 well in moderate cold which tells us that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant bachelor buttons in Chaska 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 grow to maturity. You can get started a little bit earlier by starting your bachelor buttons indoors.

Last Frost Date

The average date of last frost is May 15 in Chaska. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Chaska 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 Chaska you get a frost after May 15 be ready to cover your bachelor buttons in the event of a late frost.

USDA Zone Info for Chaska

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 Chaska

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