One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

The USDA zone info for Stone Park can be reviewed to determine when it's the best time to plant nicotiana.

Planting Calendar for Nicotiana

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

It's probably a bad idea to plant nicotiana until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant nicotiana in Stone Park 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 nicotiana and expect a good harvest is probably August. Any later than that and your nicotiana may not have a chance to fully mature. If you are starting your nicotiana indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Stone Park. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Stone Park is an average the actual date of last frost will vary from year to year. Since half of the time in Stone Park last frost occurs after April 15 be ready to protect your nicotiana in the event of one of those late frosts.

USDA Zone Info for Stone Park

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 Stone Park

You may be interested in your other planting guides for Stone Park.