The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Grinnell you can determine when it's the best time to plant cigar plant by using the USDA zone info.

Planting Calendar for Cigar Plant

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

Since cigar plant do not do well in cold weather you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant cigar plant in Grinnell 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 cigar plant and expect a good harvest is probably August. You probably don't want to wait any later than that or else your cigar plant may not have a chance to grow to maturity. Starting your cigar plant indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Grinnell. It might get as low as -20°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Grinnell is an average and the actual date of last frost is different every year. Half of the time in Grinnell there is a last frost after April 15 so make sure that you are prepared to cover your cigar plant if you have a surprise late frost.

USDA Zone Info for Grinnell

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Grinnell

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