The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant flax in Dickinson should be determined by referring to 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 just a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

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

The last month that you can plant flax and expect a good harvest is probably August. You probably don't want to wait any later than that or else your flax may not have a chance to really do well. If you are starting your flax indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on May 15 in Dickinson. You can expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Dickinson is just an average the actual date of last frost is different every year. Since half of the time in Dickinson you get surprised by a frost after May 15 be ready to protect your flax if you have a surprise late frost.

USDA Zone Info for Dickinson

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°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 -25°F.

Plants to Grow in Dickinson

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