When to Plant Bachelor Buttons in Zone 4a

One of the first steps you take when you are making a decision about 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.

You should be able to determine when it's possible to plant bachelor buttons by reviewing the USDA zone info for Zone 4a.

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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 plant them a little bit earlier than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant bachelor buttons
Possibly ok, but a risky time to plant bachelor buttons
Probably not a good time to plant bachelor buttons

The earliest that you can plant bachelor buttons in Zone 4a 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 really do well. You can get started a couple of weeks earlier by starting your bachelor buttons indoors.

Last Frost Date

In Zone 4a the average date of last frost happens on May 15. It might get as low as -30°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Zone 4a and it can change quite a bit from year to year. Half of the time in Zone 4a you get surprised by a frost after May 15 so always be ready to cover your bachelor buttons in the event of a late frost.

USDA Zone Info for Zone 4a

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-30°F
Highest Expected Low-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Zone 4a

You may be interested in your other planting guides for Zone 4a.