Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for East Grand Forks can be used to estimate when it's a good idea to plant lunaria.

Planting Calendar for Lunaria

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

You can plant lunaria a little earlier in the year because they are moderately cold tolerant.

The earliest that you can plant lunaria 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 lunaria and expect a good harvest is probably August. If you wait any later than that and your lunaria may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your lunaria indoors.

Last Frost Date

The average date of last frost is May 15 in East Grand Forks. You should expect an average low temperature of -30°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for East Grand Forks and it changes from year to year. Half of the time in East Grand Forks you get surprised by a frost after May 15 so be sure to be ready to cover your lunaria if you have one of those late frosts.

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.