The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Champlin it's a good idea to estimate when to plant alternaria.

Planting Calendar for Alternaria

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

Since alternaria are not cold tolerant you must wait until after the last frost has passed before you can plant them.

The earliest that you can plant alternaria in Champlin is May. However, you really should wait until June 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 couple of weeks earlier by starting your alternaria indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Champlin. You should expect an average low temperature of -25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Champlin may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Champlin last frost occurs after May 15 so just be sure to be ready to protect your alternaria in the event of one of those late frosts.

USDA Zone Info for Champlin

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Champlin

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