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02 Mar 2006

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References >

Sempervivum species
Sempervivum cultivars

Jovibarba species
Jovibarba cultivars


Fernwood Nursery


 Houseleeks are often mentioned in books on alpines, rock gardens, or cacti and succulents but there are very few books that deal specifically with them. The most comprehensive sources of information are found on the Internet. The following sites in particular, provide a wealth of information:

Sempervivophilia - Gérard Dumont

This is the ultimate site for anyone interested in sempervivums. The author, Gerard Dumont, concentrates on naturally occurring species but also provides comprehensive information on all aspects of sempervivum study. The text is mainly in French but some parts have been translated into English. Even those who cannot read French will gain a lot of information from this excellent site. There is also a comprehensive bibliography that can be downloaded

Martin Miklanek's site

This site provides comprehensive lists of Sempervivum and Jovibarba species and cultivars and a gallery of photographs. The cultivar list gives details of over 3200 names.

Houseleeks - Manuel Werner

Most of this site is in German but there is a good section in English on the history of Sempervivum cultivation.

Mill Walk House Nursery - Steve Smedley

Steve Smedley has brought together a large amount of information on sempervivums and related plants gathered from a variety of sources. The site includes a key to Sempervivum species and a large database of cultivars.





The following publications are likely to be of interest to enthusiasts but some are out of print and difficult to obtain.

Houseleeks - Howard and Sally Wills, (2000)
This is our own, privately produced A5 booklet. The content is based on the information in this web site and it gives a general introduction to houseleeks and their cultivation, together with lists of Sempervivum, Jovibarba and Rosularia species. The booklet also includes brief descriptions of about 250 cultivars and colour photographs of 11 different varieties. About 25 other varieties appear in a group photograph, or on the front cover. Available from ourselves. Click here for details.

The Genus Sempervivum and Jovibarba, Alan C. Smith (1975)
A privately published booklet containing descriptions of species and cultivars together with a useful identification key. Available from the author at 128 Leaves Green Road, Keston, Kent, BR2 6DG. Price £2.00

An Account of the Sempervivum Group, Lloyd Praeger (1932)
A useful reference work for the enthusiast. The nomenclature is now out of date and the more recently discovered species are not included, but it does contain detailed descriptions, including diagrams, of all the species known at the time. It was reprinted in 1967 but even the reprint is no longer available.

Les Joubarbes, Henri Correvon (1924)
This important publication can be downloaded as a ready-to-print file from Gérard Dumont's web site at http://sempervivophilia.multimania.com/

Plant Jewels of the High Country "Sempervivums and Sedums", Helen E. Payne (1972)
This hard-back book contains photographs and descriptions of a number of sempervivums and although the nomenclature is out of date it makes interesting reading. There are useful sections on the cultivation and display of plants. The book is out of print but can sometimes be found in second-hand bookshops.

A Monographic Study of the Genus Rosularia, Urs Eggli (1988)
This monograph, published by the British Cactus and Succulent Society gives technical descriptions and illustrations of all species of Rosularia. It is a pity that it does not include keys for identification but it is an essential reference work for anyone who is interested in this genus.

The RHS Plant Finder, The Royal Horticultural Society
This indispensable reference book (and CD-ROM) is published annually by the Royal Horticultural Society and lists in alphabetical order almost every species and variety of hardy ornamental plant available commercially. With each reference there is a code which enables the reader to look up the nurseries from which supplies may be obtained. Available in most book shops or from The Royal Horticultural Society, Wisley, Woking, Surrey, GU23 6QB.
The Plant Finder web site is at: http://www.plantpress.com/

Houseleeks - An Introduction, Mary and Peter Mitchell (Revised 1993)
This booklet covers some of the many facets of collecting and growing members of the genera Jovibarba and Sempervivum. It provides an introduction to this group of plants and contains a lot of useful information both for beginners and for those who are Sempervivum specialists. (This is now out of print)

International Cultivar Register for Sempervivum Jovibarba Rosularia, Vol. 1, Peter J. Mitchell (1985)
This booklet lists all cultivars of Sempervivum, Jovibarba, and Rosularia mentioned in literature up to and including 1982. Cultivars are listed in alphabetical order and for each entry, details are given of any awards, the name of the originator of the cultivar, and references to published descriptions or colour plates.





The Alpine Garden Society
Web site: http://www.alpinegardensoc.demon.co.uk/
This is a society for all who are interested in Rock Gardening and Alpine Plants. Members receive a Quarterly Bulletin and the society organises shows, tours, and seed distributions. Details from the Secretary:

A.G.S. Centre, Avon Bank, Pershore, Worcestershire, WR10 3JP


The Scottish Rock Garden Club
The Scottish Rock Garden Club was founded in 1933 by a small group of enthusiasts who were interested in promoting the cultivation of alpine and rock garden plants. There are now over 4500 enthusiastic members in 38 countries.


The British Cactus and Succulent Society
Home page: http://www.cactus-mall.com/bcss
Many people who grow houseleeks are also interested in other succulent plants. The BCSS Journal occasionally contains articles on Sempervivums or related plants and a number of the nurseries that advertise in the Journal have houseleeks in their sales lists. The Membership Secretary is:

D. V. Slade, 15 Brentwood Crescent, Hull Road, York, YO10 5HU


National Council for Conservation of Plants & Gardens - (NCCPG)
Web site: http://www.nccpg.com
The aim of this society is to safeguard and conserve the rich and diverse gene pool of garden plants held within the British Isles. To achieve this aim, over 600 National Plant Collections® have been established. These are maintained by a broad spectrum of garden enthusiasts ranging from large institutions, colleges and Local Authorities to private individuals. More information, and links to many NCCPG Members' sites can be found at: http://www.online.nccpg.org

(At Fernwood we hold the NCCPG National Collections® of Sempervivum, Jovibarba and Rosularia species and cultivars.)

The Royal Horticultural Society
Web site: http://www.rhs.org.uk
Although concerned with all aspects of horticulture rather than any particular group, membership of the Royal Horticultural Society is valuable for any plant enthusiast. The monthly journal 'The Garden' occasionally contains articles about succulent plants and there was an excellent article on houseleeks in the November 1998 edition. For membership details contact:

The Royal Horticultural Society, 80 Vincent Square, London, SW1P 2PE; Telephone 1071 821 3000





Sempervivum web sites

Sempervivophilia - G. Dumont

Martin Miklanek Welcome page

Houseleeks in Slovenia

Sempervivum - Erwin Geiger

Homepage - Horst Diehm


Sempervivum suppliers

Gardening (Telperion Productions)

Graces Farm Sempervivums

Mendle Nursery

Siskin Plants

Squaw Mountain Gardens


General gardening links


The Alpine Garden - Rock Gardening on the net

Cactus, Succulents, Caudiciforms - The Amateurs Digest

The Gardeners Directory

Debby's Garden Links: Links to UK gardening related websites plus heaps of hints and tips.

Cactus.cz - General information about cacti and succulents, books, brochure, journals, links, advertisements, CD-ROMs etc. 



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