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

A common way of estimating when it's a good idea to plant cigar plant is to examine the USDA zone info for River Falls.

Planting Calendar for Cigar Plant

Frost tolerance for cigar plant:	Not tolerant of frost.
When to plant:	After the last frost.

Since cigar plant are not cold tolerant it is important to wait until after the last frost before you can plant them.

The earliest that you can plant cigar plant in River Falls 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 cigar plant and expect a good harvest is probably August. If you wait any later than that and your cigar plant may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your cigar plant indoors.

Last Frost Date

The average date of last frost is May 15 in River Falls. You can expect an average low temperature of -25°F in the coldest months of winter.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for River Falls and it is different every year. Half of the time in River Falls last frost occurs after May 15 so make sure that you are prepared to protect your cigar plant in the event of one of those late frosts.

USDA Zone Info for River Falls

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 River Falls

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