One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant periwinkles in North Myrtle Beach can be figured out by looking at the USDA zone info.

Planting Calendar for Periwinkles

Frost tolerance for periwinkles:	Not tolerant of frost.
When to plant:	After the last frost.

You should not plant periwinkles until after the last frost because they do not do well in cold weather.

The earliest that you can plant periwinkles in North Myrtle Beach is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant periwinkles and expect a good harvest is probably August. You probably don't want to wait any later than that or else your periwinkles may not have a chance to grow to maturity. If you are starting your periwinkles indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for North Myrtle Beach is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in North Myrtle Beach last frost occurs after March 15 be ready to protect your periwinkles in the event of one of those late frosts.

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.