One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for San Anselmo should be looked at to determine when it's the best time to plant celeriac.

Planting Calendar for Celeriac

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

You can plant celeriac a bit earlier in the year because they are moderately cold tolerant.

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

Last Frost Date

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

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for San Anselmo and it will vary from year to year. Since half of the time in San Anselmo last frost occurs after February 15 be ready to cover your celeriac in the event of a late frost.

USDA Zone Info for San Anselmo

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 San Anselmo

You may be interested in your other planting guides for San Anselmo.