Another protagonist and point-of-view character, Suling is a young Chinese American seamstress who navigates societal challenges while pursuing her passion for creating silk flowers. She is known for her skilled craftsmanship and complex cultural identity.

A point-of-view character based on a real-life curator, Alice is a botanist with the California Academy of Sciences. She is practical, loves the outdoors, and is supportive of other women.

A visual artist and Gemma’s old friend, known initially by her birth name, Nellie. Reggie is depicted as vibrant and talented, but her story unfolds through other characters' perspectives.

The antagonist of the novel, Henry is a railroad tycoon who uses his wealth and status to manipulate others. He hides his real name, William van Doren, and engages in controlling and dangerous behavior.

Ning is a resourceful brothel madam known for her connections and support of the LGBT+ community. Clarkson, a sergeant, has a relationship with Ning and later seeks justice for her after abandoning traditional law enforcement.

Both connected to Gemma in the opera world, Caruso is a renowned tenor with a passion for music. George Serrano is an accompanist who works closely with Gemma, developing a romantic relationship with her.

Static characters associated with Suling, Third Uncle mismanages the family business, embodying negative stereotypes. Old Kow, a family friend, assists in running their laundry service.