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 first chance to plant alternaria in Holdrege should be determined by using the USDA zone info.

Planting Calendar for Alternaria

Frost tolerance for alternaria:	Not tolerant of frost.
When to plant:	After the last frost.

It's a bad idea to plant alternaria until after the last frost because they are not cold tolerant.

The earliest that you can plant alternaria in Holdrege 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. Any later than that and your alternaria may not have a chance to fully mature. You can get started a little bit earlier by starting your alternaria indoors.

Last Frost Date

The average date of last frost is April 15 in Holdrege. In the coldest months of winter you should expect an average low temperature of -15°F.

Always keep in mind that USDA zone info for Holdrege is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Holdrege it frosts late in the year after April 15 be ready to protect your alternaria if you have one of those late frosts.

USDA Zone Info for Holdrege

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 Holdrege

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