The application relates to the field of plant breeding, in particular watermelon breeding. Provided are bush type, triploid watermelon plants (and seeds from which these plants can be grown) and seedless watermelon fruits produced by these plants. Also provided are bush type pollenizer plants and bush type tetraploid plants and methods for producing triploid hybrids having a bush growth type, as well as methods for producing seedless watermelon fruits of high quality.