(Reblooming Weigela) There's nothing better than a reblooming shrub! LetÂ Sonic Bloom® Red Weigela grace your garden with color all summer long. The large clusters of Ruby Red flowers start blooming in May, and then repeat bloom throughout the summer until frost. The best part...no deadheading needed. The large tubular flowers are a hummingbirds dream come true!Â Sonic Bloom® Red is adaptable in most soil situations. If pruning is needed it is recommended that you trim after the first round of flowers.Â Sonic Bloom® Red blooms on both new and old wood. Fertilize in the early spring with a controlled release fertilizer. In landscapes, borders, or in massÂ Sonic Bloom® Red is sure to give your yard that season long color. Deer Resistant.