The USDA Zone info is a great tool for gardeners to help us figure out 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 USDA zone info for Thief River Falls can be read to estimate when to plant lotus vine.

Planting Calendar for Lotus Vine

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

Lotus Vine do ok in mild cold which means that you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant lotus vine in Thief River Falls 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 lotus vine and expect a good harvest is probably August. You probably don't want to wait any later than that or else your lotus vine may not have a chance to fully mature. You can get started a little bit earlier by starting your lotus vine indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Thief River Falls. In the coldest months of winter you can expect an average low temperature of -35°F.

Keep in mind that USDA zone info for Thief River Falls may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Thief River Falls there is a last frost after May 15 so make sure that you are prepared to protect your lotus vine in the event of a late frost.

USDA Zone Info for Thief River Falls

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 Thief River Falls

You may be interested in your other planting guides for Thief River Falls.