The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Dubuque it's possible to estimate when it's the best time to plant summer savory.

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 one of those plants that can tolerate a tiny bit of cold weather you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant summer savory in Dubuque 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 summer savory and expect a good harvest is probably August. If you wait any later than that and your summer savory may not have a chance to really do well. 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 is on April 15 in Dubuque. It might get as low as -20°F during the coldest months of winter.

Keep in mind that USDA zone info for Dubuque is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Dubuque there is a last frost after April 15 be ready to protect your summer savory in the event of a late frost.

USDA Zone Info for Dubuque

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Dubuque

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