When to Plant Flax in Piedmont, CA

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to estimate when it's the best time to plant flax by using the USDA zone info for Piedmont.


Planting Calendar for Flax

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

Flax do well in moderate cold which means that you can start planting them earlier than other frost tender plants.

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

The earliest that you can plant flax in Piedmont 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 flax and expect a good harvest is probably October. Any later than that and your flax may not have a chance to grow to maturity. Starting your flax indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Piedmont the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 30°F.

It's important to remember that USDA zone info for Piedmont may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Piedmont last frost occurs after January 31 be ready to protect your flax in the event of a late frost.

USDA Zone Info for Piedmont

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low30°F
Highest Expected Low35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Piedmont

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