South Carolina's flag is regularly ranked among the best in the United States, and it may be the only one whose central design question, what exactly is that crescent, remains formally unsettled after two and a half centuries. A white palmetto tree on indigo, a white crescent in the corner: the elements date to the Revolution, the combination to secession, and the precise drawing of it to whichever flag company you happen to buy from, because the state has never written down an official version.
Moultrie's blue banner
In 1775, the Revolutionary Council of Safety asked Colonel William Moultrie to devise a flag for South Carolina's newly raised troops. He kept it simple, taking what was already on the men. The field was blue to match their uniforms. In the corner he placed a white crescent, the same device the soldiers wore on the front of their caps. The result, known as the Moultrie flag or Liberty flag, was among the first American flags of the Revolution.
It earned its reputation on June 28, 1776. A British fleet attacked the unfinished fort on Sullivan's Island guarding Charleston Harbor, and the fort, built of palmetto logs laid over sand, refused to break. Palmetto wood is soft and fibrous; instead of shattering under cannon fire, it absorbed the balls. Through the sixteen-hour bombardment, the flag was shot away, and Sergeant William Jasper climbed out under fire to raise it again. The British withdrew, Charleston was spared, and the battle became one of the Revolution's first clear American victories. South Carolina still marks June 28 as Carolina Day, and the fort was renamed for Moultrie.
Secession and the two-day flag
The palmetto took its place on the flag under darker circumstances. South Carolina seceded from the Union in December 1860, and in January 1861 the General Assembly set about giving the briefly self-declared republic a national flag. The obvious move was to build on Moultrie's banner, and the legislature added the tree that had saved Charleston. On January 26, 1861, it approved a design with a golden palmetto. Two days of second thoughts followed, and on January 28 the assembly settled on a white palmetto centered on the blue field, with the white crescent in the upper hoist corner. The January 26 version is remembered as the "two-day flag," a footnote prized by collectors.
The January 28, 1861 resolution is still the legal basis of the state flag. Secession failed; the flag stayed. Its Revolutionary bones, rather than its Confederate moment, are what the state chooses to remember in it, and its design predates and outlasted the Confederate battle flag that flew on State House grounds until 2015.
Crescent, moon, or gorget
The 1861 resolution describes a "white increscent," and what that shape means is South Carolina's favorite vexillological argument. Three readings circulate. The casual one, reinforced by countless beach towels showing a palmetto against a night sky, is that it is a moon. The romantic one holds that it is a gorget, the crescent-shaped piece of throat armor that eighteenth-century officers wore as a badge of rank, which would make the flag's corner a piece of military insignia rather than an astronomical object.
The documentary evidence favors the plain reading. Moultrie himself, in his memoirs, called the device a crescent, and contemporary accounts of the caps and the flag consistently use that word. No Revolutionary-era source connects it to a gorget; that theory appears to be a twentieth-century inference from the fact that officers of the era wore them. Some early depictions of the crescent carried the word LIBERTY inscribed within it. The honest answer is that the crescent is a crescent, an old heraldic device, and that anyone claiming certainty beyond that is decorating.
The flag with no official drawing
South Carolina law describes the flag in one sentence and has included no precise specifications since 1940: no palmetto silhouette, no crescent geometry, no Pantone value for the blue. Every manufacturer interprets the design independently, which is why the palmetto on the State House flag, the one on a highway welcome sign, and the one on a novelty t-shirt are all recognizably different trees.
In 2018 a Senate committee took up the problem, recruiting historians to produce a definitive version based on historical flags. The result, unveiled in early 2020, was a public relations disaster. The committee's palmetto, drawn from a historical example, struck the public as scrawny and wind-blasted, and newspapers filled with mockery within days. Commentators compared it to a tree that had been through a hurricane. The proposal, which would have fixed Pantone 282 as the official indigo, was hastily withdrawn for rework, and no standardized design has been enacted since.
The episode revealed something about the flag's standing. In NAVA's 2001 survey it ranked tenth of 72 North American flags, and South Carolinians wear it, fly it, and tattoo it at rates few states match. A state that indifferent to its flag would have accepted the committee's palmetto without noticing. This one refused, preferring a flag with no official version to an official version it disliked.
References
[1] "Flag of South Carolina," Wikipedia. https://en.wikipedia.org/wiki/Flag_of_South_Carolina
[2] "South Carolina flag: Is it a crescent, moon or gorget?," The Post and Courier. https://www.postandcourier.com/news/south-carolina-state-flag-crescent-moon-gorget-debate/article_e8f5f321-78fd-4ad2-bd07-c5cb7d9234cd.html
[3] "The Crescent on SC's State Flag," South Carolina Lowcountry. https://southcarolinalowcountry.com/the-crescent-on-south-carolinas-state-flag-is-it-a-moon-or-a-gorget/
[4] North American Vexillological Association, "2001 State/Provincial Flags Survey."
[5] "Flags of South Carolina," Flags of the World. https://www.crwflags.com/fotw/flags/us-sc.html