Information & resources about plants & gardens for Brisbane & Qld
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Allamanda

Allamanda cathartica and other Allamanda species, hybrids & cultivars

Family: Apocynaceae


Allamandas are old favourites for subtropical gardens and worth a fresh look given the renewed need for tough plants that can withstand drought.

The most familiar are the yellow climbing (or scambling) types. Semi-shrubs and shrubs are also available, while new cultivars have expanded the colour range. One of the traditional yellow forms would certainly be appropriate for someone trying to recreate a traditional Queensland garden. Any colour would be an asset to a tropical garden.

Other species include:
A. schotii (=A. nerifolia)
A. violaceae (= A. blanchetii, A. purpurea)

Some of the cultivars currently available on the market may be hybrids.

Be aware that some Allamanda has weed potential in vulnerable areas (see links below). If you're unsure, check with relevant local authorities.



Where to buy Allamanda

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Most general garden centres in sub/tropical parts of Qld will probably have some Allamanda for sale, although you may have to hunt around for some varieties.

Sorry, no listings at present

If you operate a nursery offering many types of Allamanda for sale in Qld, or stock rare or unusual types, please get in touch about advertising on this page. Information for advertisers
Allamanda 
Allamanda 'Hendersonii', commonly known as 'Brown Bud'. This is the most common variety seen around older gardens in brisbane (November 2012, Brisbane)

Allamanda Cherries Jubilee Allamanda Cherries Jubilee
Allamanda in a suburban Brisbane garden (March 2013), presumably the cultivar sold here as under the name Cherry Ripe

 
Double Allamanda (Acacia Ridge, Brisbane, January 2013)
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Brisbane, January 2016 . It is not clear if the double cultivars referred to by various authorities as 'Floreoplena', 'Stansills's Double' and 'Halley's Comet' are different or simply different names for the same plant. This plant may be one (or all) of these. The flowers are smaller than the common It/they derive from Allamanda cathartica 'Williamsii' which is a single flower. However, the double is sometimes called 'Williamsii', too.

allamanda_williamsii allamanda_williamsii allamanda_williamsii
This appears to be the single Allamanda cathartica 'Williamsii' cultivar. Some of the buds have a faint brown coloration but not as intensely as as 'Hendersonii'. The flowers also have less coloration in the throasts and are smaller. (Brisbane, May 2013)

allamanda_neriifolia allamanda_neriifolia
Bush allamanda Allamanda neriifolia (synonym Allamanda schottii) starting to flower in spring (Brisbane, September 2013) forms a freestanding shrub rather than a vine. Another common name was oleander allamanda (Oleander being genus Nerium, hence the specific epithet meaning "foliage like Nerium")


Allamandas in the landscape

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More Online Information

Allamanda cathartica United States Dept Agriculture Forest Service, USA (PDF)
Golden Trumpet Vine Allamanda cathartica. Flowers of India
Allamanda cathartica Online Manual of Subtropical Landscaping Plants, Palm Beach Community College, Florida
Allamanda cathartica, Golden Trumpet University of Wisconsin-Extension Master Gardener Program
Allamanda Cathartica - Yellow Allamanda "My Dry Tropics Garden" blog, Qld
Allamanda cathartica Landscape Plant Propagation Information, University of Florida
Golden Trumpet Vine (Allamanda cathartica) At the "Grow Me Instead" website (an Australian website informing gardeners about invasive ornamentals)
Yellow allamanda National Weeds Strategy, Australia
Potential Environmental Weeds in Australia Department of the Environment and Heritage
Yellow allamanda (as a potential weed) DEEDI, Qld
Advice on plants undesirable in or near natural areas Townsville City Council (see note on Allamanda, which identifies the "vigourous climbing form" as the problem)(PDF)
Allamanda schottii Online Manual of Subtropical Landscaping Plants, Palm Beach Community College, Florida
Allamanda violacea University of Florida (PDF)
Allamanda violacea The Florez Nursery blog, NSW
Purple Allamanda Allamanda blanchetii. Flowers of India
Allamanda in Flora of China @ efloras.org
Allamanda La Gringa's Blogicito, Honduras
Allamanda blanchetii at John&Jacq~s Garden, Malaysia
Allamanda violacea (=Allamanda blanchetii) Purple Allamanda. Online Manual of Subtropical Landscaping Plants, Palm Beach Community College, Florida
Allamanda neriifolia Flowers of India
Allamanda neriifolia University of Florida (PDF)
The genus Allamanda in Florida Reproduction of a 1950 article, Proceedings of the Florida State Horticultural Society (PDF)

Possible misspellings: Alamanda cathartica, Allamanda cathcartica, Allamanda cathcartia
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