The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of determining when to plant asparagus is to look at the USDA zone info for Fergus Falls.

Planting Calendar for Asparagus

Frost tolerance for asparagus:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Asparagus can survive in cold weather which means that you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant asparagus in Fergus Falls is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant asparagus and expect a good harvest is probably August. If you wait any later than that and your asparagus may not have a chance to fully mature. Starting your asparagus indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Fergus Falls. In the coldest months of winter you should expect an average low temperature of -30°F.

Always keep in mind that USDA zone info for Fergus Falls may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Fergus Falls it frosts late in the year after May 15 so make sure that you are prepared to protect your asparagus if you have a surprise late frost.

USDA Zone Info for Fergus Falls

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Fergus Falls

You may be interested in your other planting guides for Fergus Falls.