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Azaleas

Rhododendron species, hybrids and cultivars

Family: Ericaceae


The pretty displays seen in many gardens during the main azalea flowering season undoubtedly inspire many passers-by into buying new azaleas for themselves. Azaleas are subject to numerous pests and diseases, however, and the plant can look fairly unattractive when not in flower. This is undoubtedly exacerbated by the hot and particularly the dry conditions we have to deal with in many parts of Qld.




Where to buy Azaleas in Qld

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Most garden centres will carry some azaleas. You're likely to find the best selection at flowering time, which is also helpful for deciding on flower colours. Then, you can see the actual flower instead of having to trust the label.

There are no nurseries specialising in azaleas that sell to the public, that the editor is aware of. (If you know of one, please get in touch). However, if the selection at your local garden centre is unsatisfactory, you might be able to find alternative suppliers online.

If purchasing buy mail order, be sure that the varieties you choose are suitable for your region. Some types are not suitable for warm climates (see links section below for more information).

Sorry, no listings at present

More Online Information

The following links are for general information and research. While publications have been selected with the demands of warm climate azalea cultivation in mind, note that some species or cultivars referred to in the following links may be unavailable in, or unsuitable for, Queensland
Note that some types of azalea grown in colder climates are unsuitable for subtropical Qld. There will be an attempt to concentrate on the more suitable evergreen types in the links below, but you still may find a range of varieties discussed in international links.
Azalea Society of America offers a lot of information about azaleas generally
Rhodoland A website from The Netherlands (in English)
Evergreen Azaleas University of California Center for Landscape and Urban Horticulture (PDF)
Azaleas Bring Unbeatable Southern Spring Beauty Office of Agricultural Communications Mississippi State University USA
Azalea Culture in Harris County Texas A&M University (PDF)
Azalea Time Down South (growing azaleas in East Texas) Aggie-Horticulture, Texas A&M University, USA
The Rosebay Volume 7 Number 1 Spring 1978 (includes some articles on evergreen azaleas) American Rhododendron Society Massachusetts Chapter
Azalea Pruning Done Right University of Florida (PDF)
Using Miracid Fertilizer Discusses the use of soil acidifying treatments on azaleas. Walter Reeves, Georgia
Azalea culture for North Carolina gardeners N.C. State University, North Carolina
Azalea Questions and Answers US National Arboretum
Azaleas Some background information about azaleas. Gardening Column, Virginia Cooperative Extension
Azaleas are Blooming at the Hoe and Shovel blog (central Florida)
Evergreen Azaleas in My Garden at The Virtual Rhododendron Garden
The Asian Influence in My Garden - The Evergreen Azaleas by Donald W. Hyatt, who gardens near Washington D.C
"Rhodoland" includes information on growing from seeds, cuttings and grafting. Netherlands

Species, Groups, Cultivars
Azalea indica 'Alphonse Anderson' The Florez Nursery blog, NSW
Azalea indica X "Dream Time" "Yesterday today and tomorrow in my garden" blog, Qld
Encore® Azaleas Official website for this brand of azaleas
Encore Azalea (Includes some information on the origin of these cultivars) University of Arkansas
Fall Blooming Azaleas Gaining in Popularity (Encore azaleas) Office of Agricultural Communications Mississippi State University
Rhododendron obtusum Kurume Azalea. Landscape Plant Fact Sheets, University of Florida USA (PDF)
On the Origin of Kurume Azaleas at Virtual Azalea, Japan
Azalea spp. 'Satsuki hybrids' Landscape Plant Propagation Information, University of Florida
Rhododendron x 'Fashion' Fashion Azaleas. Landscape Plant Fact Sheets, University of Florida USA (PDF)
Robin Hill Azaleas in "The Rosebay" Volume 7 Number 2 Fall, 1978 American Rhododendron Society Massachusetts Chapter
Rhododendron x 'George Tabor' Landscape Plant Fact Sheets, University of Florida USA (PDF)

Cultivation
Selecting and Growing Azaleas University of Georgia
Spring Azalea Care University of Florida (PDF)
Summer Azalea Maintenance Helps to Ensure a Colorful Spring David W. Marshall, Leon County Extension, University of Florida, USA
Azalea Planting Clemson University, South Carolina
Azalea Care Clemson University, South Carolina
Prune Azaleas Immediately after Flowering in: Horticulture Timely Topics (May, 1997) The University of Georgia
When to Prune Flowering Shrubs Texas A&M University
Azaleas with a Difference GardenDesignOnline blog. Illustration of "cloud pruning"
Frequently Asked Plant Questions University of Florida
Potassium Deficiency in Azalea (Rhododendron sp.) A photograhic illustration. University of Florida NutDef Plant Nutrient Deficiency Database
Copper Deficiency in Azalea (Rhododendron sp.) A photograhic illustration. University of Florida NutDef Plant Nutrient Deficiency Database
Iron Deficiency in Azalea (Rhododendron sp.) A photograhic illustration. University of Florida NutDef Plant Nutrient Deficiency Database
Iron Deficiency in Azalea (Rhododendron sp.) Another photograph. University of Florida NutDef Plant Nutrient Deficiency Database
Nitrogen Deficiency in Azalea (Rhododendron sp.) A photograhic illustration. University of Florida NutDef Plant Nutrient Deficiency Database
Nitrogen Deficiency in Azalea (Rhododendron sp.) Another photograph. University of Florida NutDef Plant Nutrient Deficiency Database
Azalea lace bug and azalea petal blight Dept. Agriculture, Western Australia
Azalea Lace Bugs - fact sheet Botanic Gardens Trust, Sydney Australia
Azalea Lace Bug Stephantis pyrioides Center for Integrated Pest Management, North Carolina State University
Azalea Lace Bug (Stephanitis pyrioides) University of Florida
azalea lace bug University of Florida
Ovulinia Petal Blight of Azaleas (Ovulinia azaleae) Florida Department of Agriculture & Consumer Services
Petal blight - Ovulinia azaleae University of Georgia
ovulinia petal blight Azalea Society of America
Petal Blight-A Threat to Us All in "The Rosebay" Volume 6 Number 2 Fall 1977. American Rhododendron Society Massachusetts Chapter
Azalea Leafminer (Caloptilia azaleella) Center for Integrated Pest Management, North Carolina State University
Azalea Caterpillar (Caloptilia azaleella) University of Florida

Propagation
Rhododendron azalea Rooting Database, University of California, Davis
Azalea indica (Rhododendron indicum) Landscape Plant Propagation Information, University of Florida
Rhododendron obtusum, Kurume Azalea Landscape Plant Propagation Information, University of Florida
Azalea spp. 'Kurume hybrids' Landscape Plant Propagation Information, University of Florida


Pictures

Click for larger image.

'Alphonse Anderson'

This cultivar is very common around Brisbane. It is better known in the USA as 'George Lindley Taber' or 'George L. Taber'. Development of purple flowers (presumably reverting to'Omurasaki', from which is derived) is common on this variety.

azalea_Alphonse_Anderson azalea_Alphonse_Anderson

Azalea 'George Lindley Taber' information at Hirsutum.info
Azalea - Sport of Different Color Origin of 'George L. Taber'. Walter Reeves, Georgia


'Magnifica'

Another common cultivar grown in Brisbane, with purple flowers.

azalea_magnifica azalea_magnifica
azalea_magnifica
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