One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Grafton you can estimate when you can plant cabbage by using the USDA zone info.

Planting Calendar for Cabbage

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

Cabbage do well in some cold which tells us that you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant cabbage in Grafton 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 cabbage and expect a good harvest is probably September. If you wait any later than that and your cabbage may not have a chance to really do well. You can get started a couple of weeks earlier by starting your cabbage indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Grafton is just an average and the actual date of last frost will vary from year to year. Half of the time in Grafton it frosts late in the year after April 15 so just be sure to be ready to protect your cabbage in the event of a late frost.

USDA Zone Info for Grafton

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 Grafton

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