The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of making a decision about when to plant bunching onions is to refer to the USDA zone info for Verona.

Planting Calendar for Bunching Onions

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

You can plant bunching onions slightly earlier in the year because they are barely cold tolerant.

The earliest that you can plant bunching onions in Verona 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 bunching onions and expect a good harvest is probably August. You probably don't want to wait any later than that or else your bunching onions may not have a chance to grow to maturity. You can get started a little bit earlier by starting your bunching onions indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Verona. You can expect an average low temperature of -20°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Verona is just an average and the actual date of last frost changes from year to year. Half of the time in Verona last frost occurs after April 15 so be sure to be ready to cover your bunching onions if you have a late frost.

USDA Zone Info for Verona

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Verona

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