The USDA Zone info is a great tool for gardeners to help us estimate 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.

In Detroit Lakes you can figure out when you can plant purple bell vines by reviewing the USDA zone info.

Planting Calendar for Purple Bell Vines

Frost tolerance for purple bell vines:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant purple bell vines slightly earlier in the year because they do ok in moderate cold.

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

The last month that you can plant purple bell vines and expect a good harvest is probably August. You probably don't want to wait any later than that or else your purple bell vines may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your purple bell vines indoors.

Last Frost Date

In Detroit Lakes the average date of last frost happens on May 15. It might get as low as -35°F during the coldest months of winter.

It's important to remember that USDA zone info for Detroit Lakes is an average and the actual date of last frost changes from year to year. Since half of the time in Detroit Lakes you get a frost after May 15 be ready to cover your purple bell vines in the event of a surprise 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.