When to Plant Flax in Atascadero, CA

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

The first opportunity to plant flax in Atascadero should be determined by looking at the USDA zone info.


Planting Calendar for Flax

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

Flax are moderately cold tolerant which means that you can plant them a little bit 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 Atascadero 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. You can get started a few weeks earlier by starting your flax indoors.

Last Frost Date

The average date of last frost is February 15 in Atascadero. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Atascadero may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Atascadero it frosts late in the year after February 15 be ready to cover your flax in the event of one of those late frosts.

USDA Zone Info for Atascadero

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low20°F
Highest Expected Low25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Atascadero

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