One of the first steps you take when you are making a decision about your gardening schedule is find your 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.

You can figure out when to plant black eyed susans in Myrtle Beach by reviewing the USDA zone info.

Planting Calendar for Black Eyed Susans

Frost tolerance for black eyed susans:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since black eyed susans are not cold tolerant it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant black eyed susans in 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 black eyed susans and expect a good harvest is probably August. Any later than that and your black eyed susans may not have a chance to fully mature. If you are starting your black eyed susans indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Myrtle Beach is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Myrtle Beach it frosts late in the year after March 15 so just be sure to be ready to cover your black eyed susans in the event of one of those late frosts.

USDA Zone Info for 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 Myrtle Beach

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