When to Plant Flax in Fontana, CA

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

The best time to plant flax in Fontana should be figured out 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.

You can plant flax a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

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 Fontana 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. If you wait any later than that and your flax may not have a chance to fully mature. You can get started a little bit earlier by starting your flax indoors.

Last Frost Date

The average date of last frost is January 31 in Fontana. 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 Fontana is not always accurate and the actual date of last frost is different every year. Half of the time in Fontana you get surprised by a frost after January 31 so just be sure to be ready to protect your flax in the event of a late frost.

USDA Zone Info for Fontana

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 Fontana

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