One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Marathon you can determine when you can plant flax 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 do well in moderate cold which tells us that you can plant them a little bit earlier than more sensitive plants.

The earliest that you can plant flax in Marathon 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 November. 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 Marathon it never frosts. In the coldest months of winter you can expect an average low temperature of 45°F.

Remember that USDA zone info for Marathon is not always accurate and the actual date of last frost is different every year. Since it never frosts in Marathon you do not have to be ready to protect your flax in the event of a surprise late frost.

USDA Zone Info for Marathon

Here is the info for USDA Zone 11b.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	45°F
Highest Expected Low	50°F

This means that on a really cold year, the coldest it will get is 45°F. On most years you should be prepared to experience lows near 50°F.

Plants to Grow in Marathon

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