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.

The USDA zone info for Owatonna can be used to estimate when it's a good idea to plant candytuft.

Planting Calendar for Candytuft

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

You can plant candytuft just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant candytuft 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 candytuft and expect a good harvest is probably August. If you wait any later than that and your candytuft may not have a chance to fully mature. If you are starting your candytuft indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Owatonna is just an average the actual date of last frost changes from year to year. Half of the time in Owatonna it frosts late in the year after May 15 so make sure that you are prepared to cover your candytuft if you have a surprise late frost.

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.