Which species of frangipanis are affected by frangipani rust?

While some species of frangipani appear to be resistant to frangipani rust, it’s our theory that frangipani rust is constantly evolving and continuously producing new strains of frangipani rust. Observing one species of frangipani in one location is not a completely accurate way to determine the vulnerable and resistant of a frangipani species.

In our experience, about twelve or thirteen years ago, the common rubra species was the only species affected by the frangipani rust fungus. All the other frangipani species appeared to be resistant. At the time, obtusa frangipanis were becoming very popular because they appeared to be resistant to the fungus. Three years later, unfortunately, some of our obtusa species started to get rust and wherever it was left untreated, nearby obtusa frangipanis got infected as well.

The following year, we found one frangipani obtusa tree with rust which was amongst many uninfected rubra frangipanis. This indicated to us that frangipani rubras were resistant to the frangipani obtusa rust.

A couple of years later, we noticed some pink pudica frangipanis badly infected and worse than all the surrounding species. Although it would have been better to notice and treat these frangipanis earlier, we were able to eliminate the rust in that area quickly effectively.

About five or six years ago, we received a load of white pudicas from northern Australia which had until that time appeared to be completely resistant to frangipani rust. To our surprise, a few leaves on one plant had rust. We checked all the plants, cut off and meticulously burnt the infected leaves and we have not seen rust on our frangipani pudicas since. Another effective strategy for us to fight rust has been to keep large quantities of pudica and propagate our own cuttings.

It’s our belief that when frangipani rust travels from one plant to another, that rust is very unlikely to infect different species of frangipanis. However, when rust is left untreated and allowed to increase, the rust is more likely to have a greater chance to evolve and adapt and survive on similar but different species of plant.

If you think frangipani rust is an important factor in choosing a frangipani species, our advice is to focus more on the foliage, flowers, hardiness etcetera and if it gets rust, treat it as early and as often as possible until it disappears.

Does the Frangipani rubra have red flowers?

Many people associate the word rubra (roo-bra) with the colour red. Maybe there is a linguistic or historical connection or maybe it just sounds like ruby, a red gemstone.

Either way, the Frangipani rubra species has many flower variations which are grouped into pink. yellow, cream (or white), orange and also red

Which frangipani varieties are the hardiest?

The hardiest of frangipanis is the species known as plumeria rubra (also known as frangipani rubra). Frangipani rubra varieties come in a range of flower colours including the traditional white with yellow throat, pink and orange.

Almost all frangipanis in Sydney are frangipani rubra. Frangipani rubra grow well in the coastal areas and the residential areas of Sydney.

Frangipanis do not like the cold and winter morning frost can damage and kill frangipani plants. If you are hoping to grow a frangipani in Melbourne, Adelaide, Western Sydney or rural  Sydney, you need to select a hardy rubra and choose the position most protected from winter frosts.

Some frangipani rubras are more delicate. These tend to be the ones with the dark flowers such as red and Kimberley Sunset.

Is the native frangipani a frangipani?

The native frangipani is not part of the frangipani genus. It’s the sole species in the Hymenosporum genus and is related to the Pittosporum genus.

The botanical name for the native frangipanis is Hymenosporum flavum

It’s native to Queensland, New South Wales and New Guinea.

It can grow up to 20 metres tall but more commonly grows to around 8 metres.

 

Which frangipani varieties have the strongest scent?

The strength of fragrance of frangipani flowers usually varies according to the weather, the season and even the time of day or night so its difficult to compare them.

Frangipani Rubra – Amongst the rubra species, all of our white, yellow, pink and orange varieties produce flowers which can produce a powerful scent. The exception is the red varieties which usually have a mild scent. Some frangipani rubras have a mild or unnoticeable scent but we do NOT stock and do NOT sell them.

Frangipani Obtusa – The Singapore flower often produces a beautiful and strong frangrance. The Petite Pink has a mild fragrance at best.

Frangipani Pudica – The pink flower is scented but the white is not. The white pudica is a hardier plant and has thicker foliage.

Other Species – Other species such as the frangipani stenophylla, the frangipani caracasana, the frangipani serifolia and the frangipani cubensis have a very mild or no scent at all.

What are the different types of frangipani species?

Plumeria alba,

Plumeria bahamiensis,

Plumeria bracteata,

Plumeria caracasana,

Plumeria cubensis,

Plumeria jamaicensis,

Plumeria montana

Plumeria obtusa,

Plumeria pudica,

Plumeria rubra (aka Plumeria acuminata and Plumeria acutifolia),

Plumeria stenopetala,

Plumeria stenophylla

Plumeria tuberculata

The Plumeria rubra is the most common frangipani species in Australia. The second most common frangipani is the Plumeria obtusa, which is rare in the colder south and more common in the warmer north. The Plumeria pudica, however, has become very popular in recent years and is arguable the second most popular frangipani species in Australia, more so in the south.