One of the first steps you take when you are determining your gardening schedule is find your 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.

A common way of figuring out when to plant cigar plant is to check out the USDA zone info for Thornton.

Planting Calendar for Cigar Plant

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

Cigar Plant do not do well in cold weather which means that you have 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 Thornton 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. You can get started a couple of weeks earlier by starting your cigar plant indoors.

Last Frost Date

On average the last frost is on April 15 in Thornton. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Thornton is an average the actual date of last frost will vary from year to year. Half of the time in Thornton you get surprised by a frost after April 15 so make sure that you are ready to protect your cigar plant if you have a late frost.

USDA Zone Info for Thornton

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 Thornton

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