One of the first steps you take when you are estimating 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.

A common way of figuring out when it's a good idea to plant doronicum is to use the USDA zone info for East Grand Forks.

Planting Calendar for Doronicum

Frost tolerance for doronicum:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Doronicum are one of those plants that can tolerate a little bit of cold weather which tells us that you can get them planted earlier than plants that are more sensitive to the cold.

The earliest that you can plant doronicum in East Grand Forks 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 doronicum and expect a good harvest is probably August. You probably don't want to wait any later than that or else your doronicum may not have a chance to fully mature. If you are starting your doronicum indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In East Grand Forks the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -30°F.

Always keep in mind that USDA zone info for East Grand Forks is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in East Grand Forks you get a frost after May 15 so just be sure to be ready to protect your doronicum if you have a surprise late frost.

USDA Zone Info for East Grand Forks

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 East Grand Forks

You may be interested in your other planting guides for East Grand Forks.