China Naming Network - Ziwei knowledge - What are the trees that bloom in early May?

What are the trees that bloom in early May?

Crabapple, Crabapple, Coral Flower, Poinsettia, Geranium, Lobelia Chinensis, Hibiscus, Erythrina, Trollium, Ilex mollissima, Jasmine, Lily, Red Mulberry, Dedication, Pomegranate, Hibiscus, Buddleja Lingxiao, Gardenia, Epiphyllum, Kirin leaves, Lily and Elm.