The USDA Zone info is a great tool for gardeners to help us determine 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.

By reviewing the USDA zone info for Mount Vernon you will be able to figure out when to plant savoy cabbage.

Planting Calendar for Savoy cabbage

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

Since savoy cabbage do well in cold you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant savoy cabbage in Mount Vernon 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 grow to maturity. You can get started a couple of weeks earlier by starting your savoy cabbage indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Mount Vernon. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Mount Vernon is an average the actual date of last frost is different every year. Since half of the time in Mount Vernon 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 Mount Vernon

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 Mount Vernon

You may be interested in your other planting guides for Mount Vernon.