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.

It's a good idea to figure out when it's a good idea to plant onions by reviewing the USDA zone info for Scottsboro.

Planting Calendar for Onions

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

Since onions do well in cold you can plant them quite a bit earlier in the year than other frost tender plants.

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

Last Frost Date

The average date of last frost is April 15 in Scottsboro. It might get as low as 5°F during the coldest months of winter.

Remember that USDA zone info for Scottsboro is just an average and the actual date of last frost changes from year to year. Half of the time in Scottsboro you get surprised by a frost after April 15 so just be sure to be ready to protect your onions in the event of a late frost.

USDA Zone Info for Scottsboro

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Scottsboro

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