When to Plant Celeriac in Firestone, CO

One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to determine when you can plant celeriac by using the USDA zone info for Firestone.


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 moderately cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant celeriac
Possibly ok, but a risky time to plant celeriac
Probably not a good time to plant celeriac

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

Last Frost Date

On average the last frost is on April 15 in Firestone. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Firestone is not always accurate the actual date of last frost is different every year. Half of the time in Firestone you get surprised by a frost after April 15 so make sure that you are prepared to protect your celeriac in the event of a surprise late frost.

USDA Zone Info for Firestone

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Firestone

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