One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to figure out when it's a good idea to plant celeriac by referring to the USDA zone info for Arvada.

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 little bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant celeriac in Arvada is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant celeriac and expect a good harvest is probably September. Any later than that and your celeriac may not have a chance to really do well. You can get started a few weeks earlier by starting your celeriac indoors.

Last Frost Date

The average date of last frost is April 15 in Arvada. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Arvada is not always accurate the actual date of last frost changes from year to year. Half of the time in Arvada last frost occurs after April 15 so be sure to be ready to protect your celeriac if you have a surprise late frost.

USDA Zone Info for Arvada

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Arvada

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