Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Moncks Corner should be used 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 do ok in moderate cold which means that you can plant them slightly earlier than other frost tender plants.

The earliest that you can plant tree onions in Moncks Corner 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. If you wait any later than that and your tree onions may not have a chance to grow to maturity. If you are starting your tree onions 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 March 15 in Moncks Corner. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Moncks Corner is just an average the actual date of last frost is different every year. Half of the time in Moncks Corner you get surprised by a frost after March 15 so be sure to be ready to protect your tree onions in the event of a late frost.

USDA Zone Info for Moncks Corner

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

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

Plants to Grow in Moncks Corner

You may be interested in your other planting guides for Moncks Corner.