When to Plant Summer Savory in River Grove, IL

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant summer savory in River Grove should be determined by reviewing 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.

Summer Savory can survive in very little cold which tells us that you can plant them just a tiny bit earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant summer savory
Possibly ok, but a risky time to plant summer savory
Probably not a good time to plant summer savory

The earliest that you can plant summer savory in River Grove 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. You can get started a couple of weeks earlier by starting your summer savory indoors.

Last Frost Date

On average the last frost is on April 15 in River Grove. You should expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for River Grove is an average and the actual date of last frost changes from year to year. Half of the time in River Grove last frost occurs after April 15 so be sure to be ready to protect your summer savory if you have one of those late frosts.

USDA Zone Info for River Grove

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in River Grove

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