When to Plant Winter Savory in Spring Valley, IL

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of making a decision about when it's the best time to plant winter savory is to examine the USDA zone info for Spring Valley.


Planting Calendar for Winter Savory

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

Since winter savory do well in moderate cold you can plant them a little earlier in the year than more sensitive plants.

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 Spring Valley 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. You probably don't want to wait any later than that or else your winter savory may not have a chance to fully mature. If you are starting your winter savory indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Spring Valley. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Spring Valley is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Spring Valley it frosts late in the year after April 15 so be sure to be ready to protect your winter savory if you have a surprise late frost.

USDA Zone Info for Spring Valley

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 Spring Valley

You may be interested in your other planting guides for Spring Valley.