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 celeriac in Wasco should be figured out by reviewing the USDA zone info.

Planting Calendar for Celeriac

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

Celeriac do well in moderate cold which tells us that you can get them planted earlier than other frost tender plants.

The earliest that you can plant celeriac in Wasco 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. If you wait any later than that and your celeriac may not have a chance to grow to maturity. You can get started a little bit earlier by starting your celeriac indoors.

Last Frost Date

The average date of last frost is February 15 in Wasco. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Wasco may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Wasco you get a frost after February 15 be ready to cover your celeriac in the event of a late frost.

USDA Zone Info for Wasco

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 Wasco

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