One of the first steps you take when you are estimating 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.

A way of getting a good idea when you can plant bachelor buttons is to check out the USDA zone info for Stillwater.

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 are one of those plants that can tolerate a little bit of cold weather which tells us that you can get them planted earlier than more sensitive plants.

The earliest that you can plant bachelor buttons in Stillwater 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 bachelor buttons and expect a good harvest is probably September. Any later than that and 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 few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Stillwater. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Stillwater is not always accurate the actual date of last frost will vary from year to year. Half of the time in Stillwater you get a frost after April 15 so make sure that you are ready to protect your bachelor buttons if you have a surprise late frost.

USDA Zone Info for Stillwater

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Stillwater

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