- This large oblong melon weighs up to 30 lbs and is liked for its large leaves that protect the fruit from sunburn and is the most popular open-pollinated watermelon in California.
90 Days to maturity. Citrullus lanatus. Cal Sweet Supreme Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, Picnic watermelon. Cal Sweet Supreme Watermelon fruits typically weigh 30-35 pounds. Flesh is dark red with medium small brown seeds. It has unique non-lobed leaves that protect the fruit from sunburn. Watermelon prefers full sun and warm to hot temperatures—plant in mid to late spring. Watermelons are also packed with rich antioxidants such as lycopene. Cal Sweet Supreme has demonstrated resistance to fusarium wilt. ~675 seeds/oz.