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

You should be able to figure out when it's the best time to plant welsh onion by reviewing the USDA zone info for Boaz.

Planting Calendar for Welsh onion

Frost tolerance for welsh onion:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since welsh onion are barely cold tolerant you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant welsh onion in Boaz is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant welsh onion and expect a good harvest is probably August. If you wait any later than that and your welsh onion may not have a chance to really do well. If you are starting your welsh onion indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Boaz. In the coldest months of winter you should expect an average low temperature of 5°F.

Just be sure to remember that USDA zone info for Boaz is not always accurate and the actual date of last frost is different every year. Since half of the time in Boaz last frost occurs after April 15 be ready to cover your welsh onion in the event of a surprise late frost.

USDA Zone Info for Boaz

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 Boaz

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