Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Detroit Lakes it's a good idea to figure out when it's possible to plant mimulus.

Planting Calendar for Mimulus

Frost tolerance for mimulus:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's probably a bad idea to plant mimulus until after the last frost because they require warm weather.

The earliest that you can plant mimulus in Detroit Lakes is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant mimulus and expect a good harvest is probably August. Any later than that and your mimulus may not have a chance to grow to maturity. Starting your mimulus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Detroit Lakes. You should expect an average low temperature of -35°F in the coldest months of winter.

Since the USDA zone info for Detroit Lakes is just an average the actual date of last frost is different every year. Half of the time in Detroit Lakes it frosts late in the year after May 15 so make sure that you are ready to cover your mimulus in the event of a late frost.

USDA Zone Info for Detroit Lakes

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-35°F
Highest Expected Low	-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Detroit Lakes

You may be interested in your other planting guides for Detroit Lakes.