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.

The best time to plant nicotiana in Harvard can be estimated by referring to the USDA zone info.

Planting Calendar for Nicotiana

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

You can not plant nicotiana until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant nicotiana in Harvard 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. You probably don't want to wait any later than that or else your nicotiana may not have a chance to grow to maturity. If you are starting your nicotiana indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Harvard and it will vary from year to year. Since half of the time in Harvard you get a frost after April 15 be ready to cover your nicotiana in the event of one of those late frosts.

USDA Zone Info for Harvard

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 Harvard

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