One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Winterville you should be able to figure out when it's possible to plant tree onions.

Planting Calendar for Tree onions

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

Tree onions can survive 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 tree onions in Winterville 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 tree onions and expect a good harvest is probably August. You probably don't want to wait any later than that or else your tree onions may not have a chance to really do well. You can get started a few weeks earlier by starting your tree onions indoors.

Last Frost Date

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

Since the USDA zone info for Winterville is just an average the actual date of last frost changes from year to year. Half of the time in Winterville you get a frost after March 15 so always be ready to cover your tree onions in the event of a surprise late frost.

USDA Zone Info for Winterville

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 Winterville

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