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.

One way of making a decision about when to plant winter savory is to examine the USDA zone info for Gretna.

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 little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant winter savory in Gretna 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 grow to maturity. Starting your winter savory indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Gretna the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Gretna is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Gretna there is a last frost after April 15 so make sure that you are ready to protect your winter savory if you have one of those late frosts.

USDA Zone Info for Gretna

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 Gretna

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