The present invention provides novel watermelon cultivar SP-7 and plant parts, seed, and tissue culture therefrom. The invention also provides methods for producing a watermelon plant by crossing the watermelon plants of the invention with themselves or another watermelon plant. The invention also provides watermelon plants produced from such a crossing as well as plant parts, seed, and tissue culture therefrom. Further provided are methods of producing triploid watermelon seed and plants and seedless watermelon fruit produced therefrom as well as the triploid watermelon seed and plants and the seedless fruits produced by such methods.
