One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Spirit Lake you can determine when you can plant flax by reviewing 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 one of those plants that can tolerate a little bit of cold weather which means that you can start planting them earlier than other frost tender plants.

The earliest that you can plant flax in Spirit Lake is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant flax and expect a good harvest is probably September. Any later than that and your flax may not have a chance to really do well. You can get started a little bit earlier by starting your flax indoors.

Last Frost Date

The average date of last frost is April 15 in Spirit Lake. You can expect an average low temperature of -20°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Spirit Lake may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Spirit Lake last frost occurs after April 15 so always be ready to protect your flax if you have a surprise late frost.

USDA Zone Info for Spirit Lake

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°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 -15°F.

Plants to Grow in Spirit Lake

You may be interested in your other planting guides for Spirit Lake.