When to Plant Winter Savory in Harvard, IL

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

A common way of determining when it's a good idea to plant winter savory is to use the USDA zone info for Harvard.


Planting Calendar for Winter Savory

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

You can plant winter savory a bit earlier in the year because they do well in moderate cold.

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

The earliest that you can plant winter savory in Harvard is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant winter savory and expect a good harvest is probably September. If you wait any later than that and your winter savory may not have a chance to fully mature. Starting your winter savory indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Harvard. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Harvard is just an average the actual date of last frost is different every year. Half of the time in Harvard there is a last frost after April 15 so always be ready to protect your winter savory if you have a surprise late frost.

USDA Zone Info for Harvard

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 Harvard

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