Watermelon Seed Big Mama is a big seeded watermelon variety grows well in tropical zone. Average weight about 8-10 kg. Harvest in 75 days after sowing. Fruit is round shape with narrow dark green stripes. Flesh is bright red, juicy and high sweetness up to 11% Brix. It contains large amounts of glucose, malic acid, fructose, amino acid, and vitamin C.