One of the best tools that you have as gardeners to help us figure out 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.

You should be able to figure out when it's the best time to plant lotus vine by referring to the USDA zone info for Tomah.

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 other frost tender plants.

The earliest that you can plant lotus vine in Tomah 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. Any later than that and 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

In Tomah the average date of last frost happens on May 15. You should expect an average low temperature of -25°F in the coldest months of winter.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Tomah and it will vary from year to year. Half of the time in Tomah you get a frost after May 15 so always be ready to cover your lotus vine in the event of one of those late frosts.

USDA Zone Info for Tomah

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Tomah

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