If you want to know more about Geraniaceae, please look at the selection of interesting web sites below. Suggestions are always welcome.

Member Websites

In English

The Pelargonium Page by Matija Strlic. A reference point for Pelargonium species. Many descriptions, maps and photos.

Pelargonium Notes  by Matija Strlic. A blogging website with conributions on cultivation, travels, and people.

David Barrett’s Web Sites by David Barrett. With many scented and unique pelargoniums.

Perfect Pelargoniums by Gwen Ward, a blog to share the love of pelargoniums.

A not so simple garden by Ernie De Marie. A personal blog site about gardening.

Other Languages

Spirits Of Garden by Anita Schweig-Bourg. In German. Personal blog about Anita’s English garden in Luxembourg.

Erodium L’Hér ex Ait  by Dyoke van Assum. In Dutch. Many Erodium species photographs.

Geraniums, by Rein ten Klooster. In Dutch. Information about Geranium and Pelargonium.

Pelargoniums – More Wild than Tame  by Elena Ioganson. In Russian. Personal website about Pelargonium species and primary hybrids. Many species described and beautifully portrayed.

Petrei-Pelargonie by Petr Reichelt. In Czech. A comprehensive website with numerous photographs of cultivars.

Hardy Geraniums by M. van der Veer-de Vries. In Dutch. Photo album of Geranium species & cultivars, excellent for completeness and quality.

Plant Collections

UK National Collection of Xerophytic Pelargonium by David Victor, UK

UK National Pelargonium Collection, Fibrex Nurseries, UK

Cambridge University Botanic Garden: the garden has a National Collection of Geraniums that grew out of the research work of Dr Peter Yeo, taxonomist at the Garden for 40 years.

L’Essentiel sur les Geraniums Vivaces, by Dominique Evrard, holder of the French National Collection of Geraniums in Normandy, France. Excellent data base of about 1500 taxons. Many photos and images of herbarium specimens. In French.

The Pelargonium Museum and Swedish National Pelargonium Collection, quite a special museum located in a lovely old church building: 257 pelargonium species and over 3,500 different pelargonium cultivars to discover. In Swedish.

Other Geraniaceae Websites and Blogs

Cok Grootscholten Succulent World, sharing lot of pictures from the Netherlands with an interesting Pelargonium album.

Pelargonium by J. Edgar Marthinsen, Norway. Many pictures of Pelargonium species and species hybrids, with notes.

Erodiums by David E. Green, UK. Index and pictures.

Marks Garden Plants by Mark Smyth. Numerous Geranium photographs – species and cultivars.

Garten Lugerbauer by Katrin Lugerbauer. In German. Photos of many Geranium species and cultivars.

A heavenly Storksbill, a blog by Panayoti Kelaidis with a post about an exceptional Erodium.


Geraniaceae (USA)

Fibrex Nurseries, with the UK National Collection of Pelargoniums

Algera – Tuingeraniums / winterharde geraniums, a nursery specialized in hardy geraniums

Silverhill Seeds, a reference source of Pelargonium seeds (South Africa)

Other Societies 

PAGS – The Pelargonium & Geranium Society (UK)

Hardy Plant Society Specialist Groups: The Hardy Geranium Group (UK)

GeraniumsOnLine, Central Coast Geranium Society (USA)

Pelargonium-Club.com, Russian Pelargonium fan club with forum (Russia)

Dansk Pelargonie Selskab (Denmark)

Svenska Pelargonsällskapet (Sweden)

NPGV – Nederlandse Pelargonium en Geraniumvereniging (The Netherlands)

Pacific Bulb Society: Pelargoniums with information and pictures about geophytic Pelargoniums species (USA)

Herbaria, Florae, Habitats

The Virtual Herbarium of Lake Van Basin – Erodium absinthoides Willd. subsp. armenum (Trautv.) Davis photographed in the wild.

Flowers in Israel, Geraniaceae family, pictures and data

Flores silvestres del Mediterraneo – Erodium primulaceum and other Geraniaceae

Parque natural de las Sierras de Cazorla, photos and data about Geranium cazorlense and Erodium cazorlanum

Collecting in Kyrgykstan – Geranium saxatile Kar. et Kir and Geranium collinum Willd.

Wildflowers of Turkey – Erodium absinthoides, beautiful close up pictures.

Flora Iberica. Plantas vasculares de la Península Ibérica e Islas Baleares

Flore illustrée du Djebel Antar et de sa région, Prof. Abderrazak Marouf, Université d’Oran, Algeria: beautiful homage to the nature of Djebel Antar with an excellent photo of Erodium cheilanthifolium ssp. antariense on the main page.


From Acta Plantarum, a project about the Flora of the Italian Regions. Excellent pictures of plants in habitat, location data, botanical descriptions and discussion forum. In Italian.

Flora delle Alpi Marittime: database about the Flora of the Maritime Alps (photos of Erodium rodieiGeranium rivulare and others). In Italian.

Hendes Majestæt Dronning Ingrids Herbarium

Asianflora, Cédric Basset, France, with a Geraniaceae section.

Flowering Plant Families, UH Botany

Literature Databases

American Journal of Botany  (search for articles)

Hortax – The Horticultural Taxonomy Group: to learn more about how plants are named (with the help of a  discussion forum, too)

Index to American Botanical Literature Database

International Plant Names Index

NYBG Mertz Library

Reading section of The Pelargonium Page with open-access scientific articles

TROPICOS – Nomenclature Database and associated authority files


Andrew Broome’s Oxalis Site

Pacific Bulb Society- PbsWiki – Oxalis

Mr. Impatiens’ Website, Derick Pitman (USA)


The Seed Site – all about growing from seed; some interesting photos of Geranium seedlings


GardenWeb Directory


Botanic Gardens

Real Jardín Botánico de Madrid

Missouri Botanical Garden

Royal Botanic Gardens- Kew

Museen der Universität Münster Botanischer Garten

Botanic Garden of Smith College

Royal Botanic Garden-Edinburgh