Watermelon Cultivars (Sa-Sz)

To cultivars (N-R, T-Z)

Hundreds of watermelon cultivars have been developed for use in the U.S. over the last few centuries by public and private plant breeders.

Below, the following information (when available) is given for each cultivar: fruit photograph, cultivar name, experimental designation, breeder, vendor, parentage, characteristics, resistances, similar cultivars, adaptation, and year of release.


Sabrina (XPH 5541) – Breeder and vendor: Asgrow. Characteristics: F1 hybrid, large Sugar Baby type fruit with faint stripes, fruit approximately 10 lb, dark blue-green rind with red flesh. Similar: Sugar Baby. 1991.

Samos – Breeder and vendor: Nunhems. Characteristics: medium early, large, oval fruit with dark green rind color, fruit weigh 11-13 kg, handles well and has tasty fruit with small seeds, solid, sweet flesh. 1991.

Sangria (NVH 4262) – Breeder and vendor: Northrup, King and Co. Characteristics: F1 hybrid, elongated dark-green fruit 23 lb with a light stripe and small, black seeds; matures in about 87 days. Resistance: fusarium wilt; tolerant of anthracnose. Similar: Allsweet and Calsweet. Adaptation: wide. 1985.

Scarlet Klondike – Breeder: Duke V. Layton, Hemet, Calif. Vendor: McCrea Seed Co. Parentage: selection from Klondike Brown Seed inbred and selected for four generations. Characteristics: intense red color of the flesh similar to Peacock but sweeter. Similar: Klondike Brown Seeded. Adaptation: Pacific coast of the United States, principally southern California. Resistance: none claimed. 1950.

Scarlet Trio (NVH 4295) – Breeder and vendor: Northrup, King and Co. Characteristics: triploid seedless hybrid, round fruit, Jubilee rind pattern. Resistance: fusarium wilt and anthracnose race 1. 1989.

Seville (HSR 606) – Breeder and vendor: Hollar Seed Company, Larry Hollar. Characteristics: long, dark fruit resembling Congo but with small brown seeds and red flesh. Similar: Congo. 1992.

Shipper – Breeder: Mississippi Agr. Expt. Sta. Vendor: Simpson Nurseries. Parentage: Dixie Queen, Klondike 7, Leesburg, Blacklee. Characteristics: high quality, compact fruit of good shipping quality. Resistance: fusarium wilt. Similar: Florida Giant. Adaptation: wide. J. Hered. 52, 1961. 1960.

Smile – Breeder and vendor: American Takii. Parentage: hybrid. Characteristics: icebox type, with resistance to fruit cracking and tough rind for shipping; fruit have crisp textured, sweet, dark red flesh, black seeds; fruit are round with narrow dark stripe on light background; 6 to 8 lb fruit; 38 to 40 day maturity; fruit keep 12 days after harvest. Adaptation: home garden and commercial fresh market. 2000.

Small Seeded Dixielee – Breeder: Crall et al., Leesburg, Florida. Parentage: Fairfax, Summit, Charleston Gray, Texas W5, Crimson Sweet, W.R. Graybell. Characteristics: round-oval fruit, light green rind with narrow dark stripes, 10-15 lb., fine textured flesh, dark, red flesh, few small black seeds, high sugar content. 1995.

Smokylee (D7-4 and F68-1) – Breeder: Agric. Research Center, University of Florida, Leesburg. Parentage: Texas W5 x Charleston Gray. Characteristics: elongated, dark green fruit with indistinctly outlined leaf patterns of lighter green color which give it a smokey appearance, fruit weigh 22-26 lb and have a very fine quality pink red flesh. Resistance: fusarium wilt race 1, anthracnose race 1. 1971.

Southern Belle (FMX 9) – Breeder: H.Sakamoto. Vendor: Ferry-Morse Seed Co. Characteristics: flesh qualities outstanding; firm, deep red, and sweet with solid black-green rind. Similar: Peacock W.R. 60. 1982.

Spalding – Breeder and vendor: Georgia Agr. Expt. Sta. Parentage: (Georgia Fusarium Wilt Resistant x Congo) x Georgia Strain 360 (Stone Mountain, Iowa Belle, Giza, Klondike 7, Icebox). Characteristics: small, round, dark-green fruit; averages 15 pounds; sweet, tough rind. Resistance: fusarium wilt, anthracnose, and sunburn. Adaptation: wide. Ga. Agr. Expt. Sta. Leaflet No. 20. 1959.

Star Brite (XPH 6004) – Breeder and vendor: Asgrow. Characteristics: F1 hybrid, large, elongated, blocky, striped watermelon, flesh red, firm, and sweet. Resistance: fusarium wilt race 1. Similar: Crimson Sweet. 1990.

Stone Mountain (synonym: Dixie Belle) – Breeder: H.G. Hastings, Atlanta, Georgia. Characteristics: thick, tough, dark green rind, 17 x 14 inches, 35-40 lb., red, sweet flesh. 1924.

Stone Mountain No. 5 – Breeder: Mr. Wilson, Iowa State College, Ames. Vendor: Iowa Melon Growers Assn. Parentage: Stone Mountain (Stone Mountain x Iowa Belle). Characteristics: thick, tough, rind; dark-green netting on a gray-green undercoat; fruit 17 x 14 inch size, 35-40 lb; large black seeds with some white tips; red flesh. Resistance: tolerant to fusarium wilt. Similar: Stone Mountain. Adaptation: midwestern United States. Iowa Agr. Expt. Sta. Rpt. 1936.

Striped Klondike – Parentage: selection by grower in California from field of Klondike. Characteristics: oblong fruit with thin, tough, light green rind with narrow dark green stripes, 20-25 lb., fine textured flesh. 1923.

Sugar Baby (Tough Sweets) – Breeder: M. Hardin, Geary, Okla. Vendor: Woodside Seed Co. Parentage: Tough Sweets selection, inbred 13 years. Similar: Tough Sweets. Characteristics: early; good quality; round; 8 to 12 pounds; hard rind shipping icebox type; immature melons green striped turning dark green when ripe. Resistance: drought. Adaptation: wide. Seed World. 4 March 1955.

Sugar Belle (XPH 4072) – Breeder and vendor: Asgrow. Characteristics: F1 hybrid, round shape, dark green, with faint light green stripes, weighs 10-12 lb, fine eating quality for its type. Good yield. Similar: Panonia, Sugar Baby. 1987.

Sugar Bush – Breeder and vendor: W. Atlee Burpee Co. Parentage: Bush Desert King and unknown parentage. Characteristics: open pollinated, bright scarlet Icebox fruit; short internode plants that need only 6 square feet of space. Similar: Kengarden. Adaptation: northeastern and southern United States and the western coast of the United States. PVP certificate no. 7600072. 1977.

Sugar Doll (Hybrid Sugar Baby) – Breeder and vendor: Petoseed. Characteristics: F1 hybrid, round, dark green, medium sized fruit (8 x 8 inches), bright-red flesh; small brown seeds, medium size vine; maturity about 78 days. Similar: Sugar Baby. Adaptation: wide. 1975.

Sugarama (NVH 4264) – Breeder and vendor: Northrup, King and Co. Characteristics: F1 hybrid, early Crimson Sweet type fruit (averages 16 pounds). Similar: Crimson Sweet. Adaptation: wide. 1984.

Sugarlee (Florida 77-2) – Breeder: Agric. Research Center, University of Florida, Leesburg. Parentage: Texas W5, Summit, Charleston Gray, Fairfax, Crimson Sweet, and Graybelle. Characteristics: round fruit with Jubilee stripes which weigh 15-18 lb, it is exceptionally early and has a high soluble solids content; hard, tough rind is suited for shipping. Resistance: fusarium wilt race 1, anthracnose race 1. 1981.

Sultan (HMX 5911) – Breeder: R.Schroeder. Vendor: Harris Moran Seed Co. Characteristics: half long and striped, high quality, excellent flesh color, large and vigorous vine. Resistance: tolerance to fusarium wilt and anthracnose. Similar: Royal Sweet, Mirage. 1991.

Summer Festival (F1 Hybrid No. 103) – Breeder: T. Sakata and Co., Yokohama, Japan. Vendor: Herbst Bros. Seedsmen, New York. Characteristics: F1 hybrid, fruit oblong, medium green, rind about two-thirds inches thick, flesh deep rose, firm and sweet; vines vigorous, heavy yielder, particularly in early stages. Resistance: anthracnose and slightly to fusarium wilt. Similar: Charleston Gray. Adaptation: mid- and southern United States. 1962.

Summerfield (60-27) – Breeder: U.S. Vegetable Breeding Laboratory, Charleston, S.C. Parentage: Fairfax x Blackstone. Characteristics: extra large slightly round fruit. Similar: Florida Giant. Resistance: fusarium wilt and race 1 anthracnose. 1969.

Summit – Breeder: Mr. Taylor, Louisiana. Parentage: Calhoun Sweet x Black Diamond. Characteristics: large round fruit with tough, dark green-black rind, flesh red, black mottled seeds. Resistance: fusarium wilt (high level of resistance). 1957.

Sun Gold (NCX 1558) – Breeder and vendor: Moran. Characteristics: globe shaped, striped fruit with yellow flesh, fruit average 24 x 23 cm with an average rind thickness of 13 mm. Resistance: fusarium wilt and anthracnose race 1. Similar: Yellow Baby. PVP. 1983.

Sundance (XPH 957) – Breeder and vendor: Asgrow Seed Co. Characteristics: F1 hybrid, very early, round with rind color between Crimson Sweet and Chilean Black; for early harvest needs in southeastern United States. Resistance: fusarium wilt race 1. Similar: Crimson Sweet. Adaptation: southeastern United States. 1985.

Sunshade (XP 241) – Breeder and vendor: Asgrow Seed Co. Characteristics: open pollinated; Charleston Gray fruit type with broad leaf blades to provide maximum protection from sunscald. Resistance: fusarium wilt (race 1). Similar: Charleston Gray. Adaptation: wide. PVP Certificate No. 760027. 1977.

Sunsweet (NV 4301) – Breeder and vendor: Northrup, King and Co. Characteristics: open pollinated; early striped Allsweet type; with semi-elongate fruit (18 to 24 pounds); medium-size dark-brown seeds; high in sugar. Resistance: fusarium wilt; tolerant to anthracnose. Similar: Allsweet and Calsweet. Adaptation: wide. PVP Certificate No. 860061. 1984.

Super Sweet (Kansas 68-12) – Breeder: Dept. of Hort. and Forestry, Kansas State University, Manhattan. Parentage: Miles, Peacock and Charleston Gray. Characteristics: external rind color is similar to Crimson Sweet but fruit are more spherical and are slightly grooved, fruit weigh 12-18 lb, mature 5-10 days later than Crimson Sweet, and have a tough rind and firm, pinkish red flesh; excellent flavor, texture. Resistance: fusarium wilt, anthracnose race 1 and 3. Adaptation: southern and eastern United States. Seed World Jan. 1970.

Superior Black Diamond (Black Diamond, Yellow Belly) – Breeder and vendor: William A. Watson’s Sons, Thomson, Ga. Parentage: segregation within Cannonball or Black Diamond. Characteristics: very dark-green rind with yellow underside, very prolific, rich red meat, excellent texture. Similar: Cannonball or Black Diamond. 1949.

Sweet Baby (PSR 7975) – Breeder and vendor: Petoseed Co. Characteristics: F1 hybrid, 75 days to maturity, fruit rounded, 10 to 14 pounds, dark green with red flesh, medium rind, seed medium size and mottled, vine vigorous and medium size. Resistance: fusarium wilt. Similar: Sugar Baby. Adaptation: wide. 1980.


Sweet Charlie (NVH 4254) – Breeder and vendor: Northrup, King and Co. Characteristics: F1 hybrid, oblong Charleston Gray-type for long-distance shipping; matures 2 or 3 days earlier than Charleston Gray and produces fruit averaging 25 pounds. Resistance: fusarium wilt. Similar: Charleston Gray. Adaptation: wide. 1984.

Sweet Princess (NC 62-C2M) – Breeder: North Carolina Agr. Expt. Sta., Raleigh. Vendor: North Carolina Foundation Seed Producers. Parentage: small-seeded Congo type x Charleston Gray. Characteristics: fruit oblong 21 to 27 pounds, rind light green with darker green stripes; attractive solid red flesh, crisp, very sweet and fine textured with unusually small tan seeds; excellent shipper. Resistance: anthracnose races 1 and 3 and fusarium wilt. Similar: Charleston Gray. Adaptation: wide. N.C. Agr. Expt. Sta. Bul. 431, 1967.

Sweet Sugar – see Merrimack Sweetheart.

Sweetheart – Breeder: Mr. Wittenmeyer, southern Indiana. Vendor: D.M. Ferry. 1890.

Sweetmeat (1-13-4) – Breeder and vendor: Petoseed Co. Characteristics: F1 hybrid, medium green, thin rind, oval, sweet red flesh, small brown seed. Resistance: fusarium wilt. Adaptation: general. New Seeds for the World. 1968.

Sweetmeat II W.R. (PSX 5874) – Breeder and vendor: Petoseed. Characteristics: F1 hybrid, oblong, large (averages 25 pounds) blocky fruit, dark-green stripes over medium-green skin; crimson flesh, small brown seeds. Resistance: fusarium wilt. Similar: Hybrid Sweetmeat. Adaptation: wide. 1976.