Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when it's the best time to plant flax is to use the USDA zone info for Winters.

Planting Calendar for Flax

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

Since flax are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant flax in Winters 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. You probably don't want to wait any later than that or else your flax may not have a chance to really do well. You can get started a few weeks earlier by starting your flax indoors.

Last Frost Date

In Winters the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 25°F.

Just be sure to remember that USDA zone info for Winters may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Winters you get surprised by a frost after February 15 be ready to cover your flax in the event of a surprise late frost.

USDA Zone Info for Winters

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Winters

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