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.

The first opportunity to plant welsh onion in North Myrtle Beach should be figured out by checking out the USDA zone info.

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.

Welsh onion are barely cold tolerant which means that you can plant them slightly earlier than other plants that might not handle the cold.

The earliest that you can plant welsh onion in North Myrtle Beach 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. Any later than that and your welsh onion may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your welsh onion indoors.

Last Frost Date

The average date of last frost is March 15 in North Myrtle Beach. In the coldest months of winter you should expect an average low temperature of 15°F.

It's important to remember that USDA zone info for North Myrtle Beach is not always accurate and the actual date of last frost changes from year to year. Half of the time in North Myrtle Beach you get surprised by a frost after March 15 so make sure that you are prepared to cover your welsh onion if you have a surprise late frost.

USDA Zone Info for North Myrtle Beach

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 North Myrtle Beach

You may be interested in your other planting guides for North Myrtle Beach.