Before planting it is a good idea to find your USDA Zone info to determine 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.

In Owatonna you can determine when it's possible to plant garden orache by using the USDA zone info.

Planting Calendar for Garden Orache

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

Garden Orache do well in a little bit of cold which tells us that you can plant them just a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant garden orache in Owatonna 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 garden orache and expect a good harvest is probably August. If you wait any later than that and your garden orache may not have a chance to really do well. You can get started a couple of weeks earlier by starting your garden orache indoors.

Last Frost Date

The average date of last frost is May 15 in Owatonna. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Owatonna may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Owatonna you get a frost after May 15 be ready to protect your garden orache if you have one of those late frosts.

USDA Zone Info for Owatonna

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 Owatonna

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