When to Plant Celeriac in Mountlake Terrace, WA

One of the first steps you take when you are determining 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.

The earliest that you can plant celeriac in Mountlake Terrace can be estimated by checking out 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.

Since celeriac do well in moderate cold you can plant them a bit earlier in the year than other frost tender plants.

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 Mountlake Terrace 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. You probably don't want to wait any later than that or else 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

In Mountlake Terrace the average date of last frost happens on March 15. It might get as low as 15°F during the coldest months of winter.

It's important to remember that USDA zone info for Mountlake Terrace is an average and the actual date of last frost is different every year. Half of the time in Mountlake Terrace last frost occurs after March 15 so make sure that you are prepared to cover your celeriac in the event of one of those late frosts.

USDA Zone Info for Mountlake Terrace

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°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 20°F.

Plants to Grow in Mountlake Terrace

You may be interested in your other planting guides for Mountlake Terrace.