Houseplant Cultivars
UNLIMITED
PDF Edition
All Volumes

HOUSEPLANT CULTIVARS is the most complete reference ever written on the garden varieties (not species) of interior plants, tropical, and houseplant. It has taken over 40 years to get to the current point and because so many new plants are coming out....we update it several times a month, often each week.

Page Counts (PDF 8.5. x 11 in..): 1100.  

Interface: HTML menu viewable on any internet-connected device. Data files are PDF format. They can be copied to and used on any phone, tablet, desktop, or PDF reader with suitable space.

Author: Laurence C. Hatch, horticultural taxonomist and cultvar historian with contributions from more than 30 genus experts and users worldwide. Larry was educated at Cornell University and North Carolina State University.

Images: More than 1200 JPG images in digital, high resolution quality. Our standard is a minumum of 1250 pixels wide whenever possible. New images are added with most updates. Same images are shown at the end of th page.

Cultivar Counts:  197 different cultivars of Crassula, all known Dracaena, 78 Epipremnum, 23 Maranta, several new Hedera, Mammillaria, 349 Syngonium, 83 Monstera, 121 Peperomia, Portulacaria, 216 Sansevieria, and 207 Philodendron cultivars. 66 different cultivars of Acalypha, 101 Aeonium, 329 Aglaonema, 132 Alocasia, 87 Alternanthera, ornamental Ananas, 38 Brassaia, 71 Calathea, 19 Callisia, 4 Ceropegia, Cereus, 28 Chlorophytum, Ctenanthe, Duranta, Fatsia/x Fatshedera, 160+Haworthia, Hemigraphis, Iresine, Microsorum, 169 Nephrolepis, 1800 Coleus, 2 Pachira, 28 Pilea, Piper, 58 Plectranthus, 48 Polyscias, 2 Procris (Pellionia), 15 Pseuderanthemum, Pteris, Rhoeo. All other major genera having cultivars or clonal ornamental variants are covered A to Z. These counts exceed any internet website or reference book by an average of 3-30 times.

Taxa Range: All ornamental interior, tropical, or houseplant cultivars (garden varieties). Some species are included for comparison by generally botanical, wild taxa are excluded. 

Access Rights: This is a private, subscription-only website so the URL must not be shared with others or posted for public use. This subscription is for a single user only.

Downloads: You may download any of the PDF files for your personal use on multiple devices so long as only you the subscriber accesses them. These files are yours for life and do not expire just like a print book. However, it is your responsability to keep the password as we cannot supply lost, old ones after the term of your subscription. You are responsible for retaining your password for long-term access to the files.

MIssion Statement: To be and remain the largest  and most complete catalog of horticultural varieties or cultivars of interior landscape plants.

Subscription Duration: The URL and your access never expire so long as you retain your password. You will receive updates (new files, new cultivars) for the current calendar year. If you want the updates each year after that, your renewel is also the price. You can download and keep all the PDF files as they never expire or stop functioning. It is up to you how often you want to renew.

Price: $49.00 (internet menu with digital download only - nothing is printed or mailed)

To order: 1) Use the Paypal buttons below (currency conversions quick and free) or 2) email ornamentals@lycos.com with "HPC" in the subject line if you use an ad- or popup-blocker. We will invoice you via Paypal.  




More than 1700 different Coleus cultivars are presented in our exclusive files on this fascinating genus. We grow and document new cultivars every year and have since 2011.


We have bought and photographed hundreds of rare and new cultivars over the years and our documentation with descriptions, images, and histories is second to none. No other reference has this level of detaila and is verified with both horticultural taxonomists and genus collector-experts.


Cultivar.org pioneered flatbed scanning in 1989 to present leaves in a clear, easily accessible way. Dozens of Hedera and other genera have such scans.


As new cultivars come out and our collection develops, we add new clones for comparison and contrast.


The volumes also have our exclusive plates to compare and contrast popular cultivars with each other.