The American Flower Garden Directory: containing practical directions for the culture of plants, in the hot-house, garden-house, flower garden and rooms and parlours, for every month in the year … Instructions for erecting a hot-house, green-house, and laying out a flower garden, also … lists of annuals, biennials, and ornamental shrubs … by Thomas Hibbert and Robert Buist. Philadelphia: E.L. Carey & A. Hart. ©1833, published 1834.
One of the earliest American books on flower cultivation, by two Philadelphia nurserymen. Robert Buist is credited with introducing poinsettia to the United States; Thomas Hibbert promoted azaleas.
My copy is missing the title page and frontispiece, but all other points match the edition available at the Internet Archive.