Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant bachelor buttons in Park Ridge can be estimated by looking at the USDA zone info.

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 moderate cold which means 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 Park Ridge 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. If you wait any later than that and your bachelor buttons may not have a chance to fully mature. You can get started a little bit earlier by starting your bachelor buttons indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Park Ridge. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Park Ridge is an average the actual date of last frost will vary from year to year. Since half of the time in Park Ridge you get a frost after April 15 be ready to cover your bachelor buttons in the event of a surprise late frost.

USDA Zone Info for Park Ridge

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 Park Ridge

You may be interested in your other planting guides for Park Ridge.