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

The first chance to plant bachelor buttons in Atherton can be estimated by referring to 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 tend to make it in mild cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant bachelor buttons in Atherton 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 fully mature. If you are starting your bachelor buttons indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Atherton. It might get as low as 25°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Atherton is not always accurate and the actual date of last frost changes from year to year. Half of the time in Atherton there is a last frost after February 15 so make sure that you are prepared to protect your bachelor buttons in the event of a late frost.

USDA Zone Info for Atherton

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

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

Plants to Grow in Atherton

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