One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

The earliest that you can plant lotus vine in Bismarck should be determined by reviewing the USDA zone info.

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 moderate cold which tells us that you can get them planted just a bit earlier than more sensitive plants.

The earliest that you can plant lotus vine in Bismarck 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. If you wait any later than that and your lotus vine may not have a chance to grow to maturity. If you are starting your lotus vine indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Bismarck the average date of last frost happens on May 15. You can expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Bismarck may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Bismarck there is a last frost after May 15 so be sure to be ready to protect your lotus vine in the event of one of those late frosts.

USDA Zone Info for Bismarck

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 Bismarck

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