One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Moorhead you can determine when it's possible to plant tritoma by using the USDA zone info.

Planting Calendar for Tritoma

Frost tolerance for tritoma:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant tritoma much earlier in the year because they do well in cold.

The earliest that you can plant tritoma in Moorhead 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 tritoma and expect a good harvest is probably August. Any later than that and your tritoma may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your tritoma indoors.

Last Frost Date

The average date of last frost is May 15 in Moorhead. You can expect an average low temperature of -30°F in the coldest months of winter.

Remember that USDA zone info for Moorhead is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Moorhead it frosts late in the year after May 15 so be sure to be ready to cover your tritoma if you have one of those late frosts.

USDA Zone Info for Moorhead

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 Moorhead

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