One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when you can plant alternaria is to look at the USDA zone info for Nebraska City.

Planting Calendar for Alternaria

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

It's probably not a good idea to plant alternaria until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant alternaria in Nebraska City 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 alternaria and expect a good harvest is probably August. If you wait any later than that and your alternaria may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your alternaria indoors.

Last Frost Date

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

Since the USDA zone info for Nebraska City is an average the actual date of last frost changes from year to year. Half of the time in Nebraska City you get a frost after April 15 so be sure to be ready to protect your alternaria in the event of one of those late frosts.

USDA Zone Info for Nebraska City

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 Nebraska City

You may be interested in your other planting guides for Nebraska City.