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

The first chance to plant cigar plant in Ottawa can be determined by checking out 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 has passed.

Since cigar plant require warm weather you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant cigar plant in Ottawa 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. Any later than that and your cigar plant may not have a chance to really do well. If you are starting your cigar plant indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Ottawa the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Ottawa is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Ottawa last frost occurs after April 15 so always be ready to cover your cigar plant if you have a surprise late frost.

USDA Zone Info for Ottawa

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Ottawa

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