Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of figuring out when to plant bunching onions is to consult the USDA zone info for Edgefield.

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.

Bunching Onions do well in mild cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant bunching onions in Edgefield 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. If you wait any later than that and your bunching onions may not have a chance to grow to maturity. Starting your bunching onions indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Edgefield. It might get as low as 10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Edgefield is an average and the actual date of last frost is different every year. Half of the time in Edgefield it frosts late in the year after March 15 so make sure that you are ready to cover your bunching onions in the event of a late frost.

USDA Zone Info for Edgefield

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Edgefield

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