One of the best tools that you have as gardeners to help us figure out 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.

The USDA zone info for Rossford can be reviewed to determine when it's a good idea to plant leeks.

Planting Calendar for Leeks

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

Leeks tend to make it in a bit of cold which tells us that you can plant them quite a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant leeks in Rossford 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 leeks and expect a good harvest is probably September. You probably don't want to wait any later than that or else your leeks may not have a chance to really do well. You can get started a couple of weeks earlier by starting your leeks indoors.

Last Frost Date

On average the last frost is on April 15 in Rossford. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Rossford is just an average the actual date of last frost will vary from year to year. Since half of the time in Rossford you get surprised by a frost after April 15 be ready to protect your leeks if you have a surprise late frost.

USDA Zone Info for Rossford

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 Rossford

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