The USDA Zone info is a great tool for gardeners to help us figure out 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.

You can figure out when to plant parsley in Atherton by checking out the USDA zone info.

Planting Calendar for Parsley

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

Parsley do well in moderate cold which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant parsley 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 parsley and expect a good harvest is probably October. Any later than that and your parsley may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your parsley indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Atherton. In the coldest months of winter you can expect an average low temperature of 25°F.

Always keep in mind that USDA zone info for Atherton is not always accurate and the actual date of last frost can change quite a bit 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 cover your parsley 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.