It is currently being attacked by some sort of borer insect. The flowers do not have any petals, it is the many coloured stamen that give the flowers their fluffy appearance. Best regards There could be a few reasons why this has happened. -video. I sent u a photo of my red gum stump to your FB on messages. Eucalyptus ficifolia Figure 1. The trees are in identical situations in full sun. However, the spotted gum has taken off at the graft point and is now 15 feet high. Lol, Hi Heather What Australian Native Trees Should I Grow In The Garden? How long have you had these trees? The red flowering gum is one of our most iconic Australian species in cultivation, and through some judicious genetic selection and breeding work, we’re now starting to see cultivars emerge which are going to be more reliable – as far as knowing what flower colour and height you’re going to get. Species such as the umbrella tree (Schefflera actinophylla), the silky oak (Grevillea robusta) and the black bean (Castanospermum australe) are not only picturesque landscape plants but have also become popular worldwide as indoor plants. Inspect the graft union and see if it is healthy. Only remedy they could offer was a systemic poison like Rogor or to pick the grubs off one-by-one, First off, my advice depends on whether this is a grafted tree or a seedling growing on its own roots. Yes you can certainly prune the tree to keep it to the height you want. The tree can certainly flower again. Good luck! Francis. Signup to receive our newsletter. The best time to prune is around January Feb after its normal flowering time. Hi Natalie how could I get Eucalyptus seeds? Angus, I am outside of Phoenix, Arizona, USA, and found a neighbor growing two of these pretty “shrubs”. The red flowering gum is one of the most widely cultivated of all eucalypts both in Australia and overseas. That’s where I think plant breeding really does have a place in modern horticulture; to combine the outstanding features of two different species to come up with a plant that has all the right attributes to be a successful garden plant. Hosing it off with water generally does the trick. Jim Wright, Hi Jim It’s way too hot to put them in direct sun, how do I proceed? It looks like someone has spat into the tree branches. Here’s the photo taken from my backyard January last year. I have several healthy young saplings, 1 -2 years old, of orange and red Corymbias, from seeds I planted from the large gumnuts of parent trees~~ , one of which was labelled Summer Glory. John Rawlings, Jun 2005. Ideal for the smallest garden! And it will only ever give you a rather unspectacular flower display. The reason why the group of gums that include the red flowering gum were separated from Eucalyptus were that there are considerable differences. Should we remove the spotted gum growth or go with it? HI Shane – lucky you! The majority of Australian Natives are grown in Anti-spiral pots that promote a fibrous root system. We have Flowering red gum in our front garden planted 6 years ago from tube from Bunnings. General Description: Corymbia ficifolia is one of around 80 eucalypts which were transferred in 1995 from the genus Eucalyptus to the newly created genus Corymbia.The species was formerly known as Eucalyptus ficifolia.. Thin out any unwanted extra shoots that may appear after pruning. It is a bit hard to diagnose the problem without seeing it. This is particularly likely in summer.. have just fallen off , it is in a pot and the tree is about 900mm tall can you please help, Hi George We have a beautiful red flowering gum in our front garden… A few of my neighbours have admired it and so I would like to grow them each a tree. But as many Eucs and Corymbia live for hundreds of years, I see no reason why yours shouldn’t keep on going. For instance, if one desires to grow a gum tree, there are close to a thousand species to choose from ranging from sub-alpine snow gums to spectacular flowering gums from Western Australia or rainbow gums that thrive in the wet jungles of northern Australia. The flowers do not have any petals, it is the many coloured stamen that give the flowers their fluffy appearance. This summer I have noticed a big problem with one of the trees = the leaves are a different colour; dull and yellowish, there was limited flowering this season, the tree has not put on any growth this season, this tree is fed and watered the same as the other, there appears to be no problem with the graft or suckers. I have just seen the Summer series on sale at Fairhill Nursery at Yandina. I live in Sydney’s Inner West, where there are a number of street plantings of the different Summer varieties that all seem to flower better than mine. I am having the same problem with my gum trees too. Also known as the Flowering Gum, or even Eucalyptus ficifolia, Corymbia ficifolia (Corymbia ficifolia) is possibly one of THE very best flowering Gum trees available. Angus, I have two flowering gums that are being attacked by a leaf eating insect that kills off the leaf and uses bits of the leaf to create its cocoon. The tree is short of trunk and has a large spreading thick canopy when young, and as it ages it tends to have an upside down broom-shape, with branches reaching up and … Without knowing that it is a bit hard to say whether it is a problem that arrived with the trees from the nursery. Best regards What else can we do to fix the problem? Corymbia ficifolia (red flowering gum) Toolbox. Although if you could also consider the various selections of Corymbia ficifolia which should grow well where you are. If it’s above, then you’ll get new growth coming back that you could carefully prune into a replacement. Pictures Identity Taxonomic Tree List of Pests Uses List Summary. Ask a question. Eucalypts give the Australian landscape a very distinct appearance with their characteristically pendulous, leathery foliage. Plant details. Brush Box (Lophostemon confertus) is an extremely adaptable species that has long been popular as a street tree with large glossy leaves in a dense shade-forming canopy decorated in spring with a sprinkling of lacy white flowers.