One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to determine when it's the best time to plant savoy cabbage by reviewing the USDA zone info for Williamsport.

Planting Calendar for Savoy cabbage

Frost tolerance for savoy cabbage:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant savoy cabbage quite a bit earlier in the year because they are very cold tolerant.

The earliest that you can plant savoy cabbage in Williamsport 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 savoy cabbage and expect a good harvest is probably September. If you wait any later than that and your savoy cabbage may not have a chance to fully mature. You can get started a few weeks earlier by starting your savoy cabbage indoors.

Last Frost Date

The average date of last frost is April 15 in Williamsport. You should expect an average low temperature of -5°F in the coldest months of winter.

Remember that USDA zone info for Williamsport may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Williamsport it frosts late in the year after April 15 be ready to protect your savoy cabbage in the event of one of those late frosts.

USDA Zone Info for Williamsport

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Williamsport

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