“HENNESSEY ON ROSES” 
Most of the directions for rose care have been omitted from this catalogue because 
they have been treated so much more fully, and with all the underlying reasons for every 
course of procedure taken care of so thoroughly, in my new rose hook, “Hennessey On 
Roses.” Rose growers will profit from omission of necessarily sketchy outlines of rose 
care in this catalogue, and a study of the full subject together with the “why’s” behind it. 
The book of about 65,000 words, illustrated with numerous photographs taken in 
my own gardens, will be available at the price of $3.50. Send orders directly to Roy 
Hennessey, Hillsboro, Oregon. The book is entirely new, and contains innumerable 
scientific facts behind rose behavior that have never been discovered before. It is a book 
of applied rose science made enjoyably readable. The book not only discusses all the 
facts pertaining to a knowledge of the rose which have enabled me to produce my 
remarkable plants (which are no accident!), but answers every question that has ever 
been asked me on the rose. Every bit of the book is designed to be applied to your own 
rose garden. 
You won't find anything in the book approached from the conventional standards, 
and only a couple of “theories.” The rest of the material consists of rose facts, the 
knowledge of which enables me to produce Hennessey roses. A knowledge of them will 
enable you to care for your roses with outstanding results, and you will greatly improve 
your enjoyment of your rose garden because you will be in possession of all my knowledge 
of what makes roses do as they do. 
The book is not padded or dated with discussion of existing Hybrid Tea rose varieties 
which would make it obsolete in a few years. Description of best modern rose varieties 
is the function of this rose catalogue. 
