One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Inver Grove Heights you can figure out when you can plant summer savory by referring to the USDA zone info.

Planting Calendar for Summer Savory

Frost tolerance for summer savory:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since summer savory are barely cold tolerant you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant summer savory in Inver Grove Heights is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant summer savory and expect a good harvest is probably August. You probably don't want to wait any later than that or else your summer savory may not have a chance to grow to maturity. If you are starting your summer savory indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on May 15 in Inver Grove Heights. In the coldest months of winter you can expect an average low temperature of -25°F.

Since the USDA zone info for Inver Grove Heights is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Inver Grove Heights you get a frost after May 15 be ready to protect your summer savory if you have a surprise late frost.

USDA Zone Info for Inver Grove Heights

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 Inver Grove Heights

You may be interested in your other planting guides for Inver Grove Heights.