The USDA Zone info is a great tool for gardeners to help us determine 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.

By checking out the USDA zone info for Owosso you will be able to determine when to plant erysimum.

Planting Calendar for Erysimum

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

Since erysimum do well in moderate cold you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant erysimum in Owosso is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant erysimum and expect a good harvest is probably September. Any later than that and your erysimum may not have a chance to fully mature. You can get started a little bit earlier by starting your erysimum indoors.

Last Frost Date

The average date of last frost is April 15 in Owosso. In the coldest months of winter you should expect an average low temperature of -10°F.

Always keep in mind that USDA zone info for Owosso is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Owosso there is a last frost after April 15 so make sure that you are ready to cover your erysimum if you have a late frost.

USDA Zone Info for Owosso

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Owosso

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