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

The earliest that you can plant bachelor buttons in Pasadena should be figured out by reviewing 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 can survive in a little bit of cold which means that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant bachelor buttons in Pasadena is January. However, you really should wait until February 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 October. Any later than that and your bachelor buttons may not have a chance to really do well. You can get started a few weeks earlier by starting your bachelor buttons indoors.

Last Frost Date

In Pasadena the average date of last frost happens on February 15. You should expect an average low temperature of 20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Pasadena is just an average and the actual date of last frost will vary from year to year. Half of the time in Pasadena there is a last frost after February 15 so always be ready to cover your bachelor buttons in the event of a surprise late frost.

USDA Zone Info for Pasadena

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Pasadena

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