The USDA Zone info is a great tool for gardeners to help us estimate 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 Johnston should be used to estimate when it's possible to plant cigar plant.

Planting Calendar for Cigar Plant

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

Cigar Plant are not cold tolerant which tells us that it's necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant cigar plant in Johnston 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. If you wait any later than that and your cigar plant may not have a chance to grow to maturity. You can get started a little bit earlier by starting your cigar plant indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Johnston. You should expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Johnston is not always accurate the actual date of last frost changes from year to year. Half of the time in Johnston last frost occurs after April 15 so make sure that you are prepared to cover your cigar plant if you have one of those late frosts.

USDA Zone Info for Johnston

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 Johnston

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