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Laurence C. Hatch.
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Cultivars of Hardy Perennials
2023 Digital PDF Edition
All Volumes
Page Counts (PDF 8.5. x 11 in..): 2000+

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.
 
Megabytes: 392 MB

Author: Laurence C. Hatch, horticultural taxonomist and cultvar historian with contributions from more than 14 genus experts and users worldwide.

Images: More than 2500 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.

Cultivar Counts (Updated 12.15.2022): 22 different Acanthus cultivars, 118 Achillea, 14 Acorus, 198 Agapanthus, 70 Agastache, 124 Ajuga, 281 Aquilegia, 47 Arabis, 56 Aspidistra, 197 Astilbe, 86 Baptisia, 86 Bergenia, 27 Brunnera, 362 different cultivars of Campanula, 116 Coreopsis, 66 Cortaderia, 57 Dicentra, 35 Disporum, 172 Echinacea, 177 Epimedium, 53 Eupatorium, 101 hardy Euphorbia, 3 different Farfugium, 49 Festuca, 193 Geum, 432 Heuchera, 221 hardy Hibiscus, 400+ Hosta, 53 different Kniphofia, 187 Leucanthemum, 34 Liatris, 129 Liriope, 103 perennial Lobelia, 68 Lychnis, 121 Mentha, 205 Miscanthus, 36 Molinia, 168 Monarda, 109 Nepeta,102 Ophiopogon, 65 Origanum, 184 Opuntia, 18 different cultivars of Pachysandra, 34 Panicum, 59 Pennisetum, 982 Phlox, 118 Phormium, 25 Physostegia, 24 Plantago, 46 Polygonatum, 113 Pulmonaria, 25 Pyrrosia, 65 Ranunculus, 31 Rodgersia, 147 Rohdea,39 different cultivars of Thalictrum, 85 Tiarella, 98 hardy Tradescantia, 57 Tricyrtis, 135 Trillium, 56 Trollius, Uvularia=7, 113 Verbascum, 391 Verbena (most hardy USDA 6-7+)=391, 13 Vernonia, 165 Veronica, 71 Vinca, and 107 Yucca.

Taxa Range: All ornamental and hardy herbaceous perennials to USDA zone 7, including some marginals where hardiness may vary by cultivar or strain. Tender herbaceous plants only hardy in USDA zones 8-10 only are covered in Hatch's Interior Plants (HIP) and that volume is free from a link to the right.

Access Rights: this is a private, subscription-only website so the URL must not be shared with others or posted for public use unless you purchase a Library license for single building use.

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.

MIssion Statement: To be and remain the largest  and most complete catalog of horticultural varieties or cultivars of hardy herbaceous, garden perennials ever published in any medium.

Subscription Duration: You will receive access to all updates through December 31, 2023

Price: $69.00 (digital download only - nothing is printed or mailed)
















Hatch's Cultivars of Woody Plants
2023 Digital PDF Edition

Page Counts (PDF 8 x 10 in. to 8 x 16 in.): 6591

Interface: HTML menu viewable on any internet-connected device. Data files are PDF format. Menu and PDF files also load from any device if downloaded to the same drive.

Megabytes: 1410 (14GB)

Author: Laurence C. Hatch, horticultural taxonomist and cultvar historian with contributions from more than 40 genus experts and more users worldwide.

Images: More than 2500 JPG images in digital, high resolution quality. Our standard is a minumum of 1250 pixels wide whenever possible. New images are added monthly.

Access: The CWP menu is available on any device with an internet connection. You may also download any of the PDF files (they are yours to keep forever) and put them on devices of your choice for personal use. You may not share the files with any non-subscribers. Some phones, nearly all laptops, and some book readers will store the entire 14GB of this encyclopedia. You can put a selection of files such as species or genera of special interest on a phone without downloading all the files. If you device has internet and a PDF reader, CWP will work for you. There is no complicated, slow database to search. We got rid of that approach 20 years ago!

Cultivar Counts: Abelia=80, Aesculus-=110, Abies=489, Acer palmatum=547, Aucuba-173, Buddleia=318, Cercis=92, Chamaecyparis obtusa=351, Cornus=613, Ginkgo=213, Juniperus=1100+, Loropetalum=67, Lonicera=403, Mahonia=94, Podocarpus=97, Robinia=74, Salix=254, Sciadopitys=94, Taxodium=75, Thuja excluding Platycladus=446, Viburnum-271, plus all genera with cultivars.

Taxa Range: all temperate woody plants including trees, shrubs, conifers, vines, hardy palms, and subshrubs, covering mainly cultivars with occasional botanical taxa added for comparison.Tender woody plants only hardy in USDA zones 8-10 only are covered in Hatch's Interior Plants (HIP).

Access Rights: this is a private, subscription-only website so the URL must not be shared with others or posted for public use unless you purchase a Library license for in-building use.

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.

MIssion Statement: To be and remain the largest  and most complete catalog of horticultural varieties or cultivars of garden trees, shrubs, vines, and conifers ever published in any medium.

Subscription Duration: You will receive access to all updates through December 31, 2023. You may keep and download any PDF for personal use but only until this date.

Price: $123.00 per user or building.

This is a digital download only. Nothing is mailed or sent. CWP is not available in print format due to size and expense.

To subscribe: Send your email address to ornamentals@lycos.com with "CWP Order" in the subject line. We will invoice you with choices of Paypal, Venmo, and major credit or debit cards.













Hardy Perennials (all volumes)


Houseplant Cultivars (all volumes)