When to Plant Summer Savory in Lisle, IL

One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant summer savory in Lisle should be determined by using 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 are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can start planting them slightly earlier than plants that are more sensitive to the cold.

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 Lisle 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. 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. Starting your summer savory indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Lisle is not always accurate the actual date of last frost is different every year. Since half of the time in Lisle last frost occurs after April 15 be ready to protect your summer savory if you have a late frost.

USDA Zone Info for Lisle

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 Lisle

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