The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of making a decision about when to plant bachelor buttons is to look at the USDA zone info for Salem.

Planting Calendar for Bachelor Buttons

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

Since bachelor buttons do well in moderate cold you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant bachelor buttons in Salem 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 really do well. 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 Salem. In the coldest months of winter you can expect an average low temperature of -10°F.

Remember that USDA zone info for Salem is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Salem it frosts late in the year after April 15 be ready to protect your bachelor buttons if you have a late frost.

USDA Zone Info for Salem

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Salem

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