They are all quite eye-catching, esp when they fall through your roof at 2am on a stormy night. I can only offer the following:

1. Try to find a specimen that wont exceed 15-20 metres
2. Ensure that it is planted no closer than 30 metres from your eaves
3. Accept that it will drop branches from time to time, and be especially careful with regard to bushfires.

Personally, I'll stick with rainforest species.

Thank you "Artie"!

The only one I have seen flower is ficifolia and the colours are variable. One could be a pale pink and the next a bright red, just pot luck on colour otherwise easy to grow, here anyway.

Thank you "Goldhills"another question! Do you know the frost resistance of the E.phoenicea ??it seems to be a nice one!
phil

I'm thinking that E.rhodantha and E.phoenicea would be hard to get in seed or plant form. Also, the latter is from tropical parts so make sure you have the right conditions.

On the other hand, E. caesia and Corymbia ficifolia are both easily attainable and very attractive trees. E. caesia does have a tendency to blow over and be a little fragile but has a lovely white bark and lovely large colorful gum nuts. C. ficifolia is attainable in many colors including orange but color is flukey from seed. To ensure orange you need to obtain a grafted variety (normally grafted onto itself). The orange variety is called E. 'Orange Splendor' but there is also a E.'Dwarf Orange' which I assume is orange but only grows to 3m (hence the dwarf. E.'Summertime' is a red-orange. You can get pink, red and crimson verieties as well. Depending on exactly what you want either of these would be very nice.

Excuse the nomenclature. Even though ficifolia is from the Corymbia genus the grafted varieties in nurseries are called Eucalyptus and then the variety name. Hope I haven't confused anyone.

Sorry Artie but I think you could easily grow many eucalypt species including C. ficifolia and E.caesia closer to your house than 30m, especially the dwarf forms of C. ficifolia. Point no.1 is quite valid for a typical suburban block.

I agree with Danili: C. ficifolia, being fibreous rooted and being the easiest to grow of those quoted, will not offend if grown not nearer than 8 metres from your abode. The newer types of grafted Ficifolias besides being atrociously expensive, are not as hardy nor as reliable as those grafted onto E. maculata which used to be available some years ago. The new grafted ones are blended with a tropical variety and are struggling to grow in my garden which is situated in a similar zone to the French Rivierer, in coastal East Gippsland.
I planted 4 of the expensive semi - tropical grafted ones 3 years ago and they have hardly grown at all. The tallest is still only 1.3 metres high and looks blighted. In fact I have planted other, more attractive trees very near to all of them and am hoping that they will crowd the expensive trees out and give a more attractive garden.

Thank you Danili and Hank,for your advices,i have already order seeds of E.ficifolia x ptycocarpa,and hope that it will be hardier than the type" Ficifolia"??
Hank ,when you say that you had bought 4 grafted Eucalyptus ,do you mean the serial"Summer gums"??
I saw them on the web,and they looks nice!

I think a lot of the problems with Eucs falling over is that people take out too many trees around them, or don't look after them properly. If you are looking for the colour of the flowers, there are a few dwarf varieties as mentioned before. These only grow to about 5-6m, so are not likely to bring your house down.

There are quite a number of dwarf vaieties that are fine in the suburban garden. The species mentioned can be planted relatively close to buildings, that is, about three to five metres. Eucalyptus Caesia is a fantastic small tree with beautiful weeping flowers and silver bark. It would grow from seed. It would also enjoy a mediterranean climate and can be planted even as close as a metre from a building. Do not over water it and put a large rock over the roots as they tend to be a bit shallow and sometimes the tree can fall over in a strong wind. They do not grow large at all.

Pos02! I have the intention to put in the same hole( 40cm between each other) two or tree seedling of E.ficifolia x ptychocarpa,a little bit as we do for the roses!!
Any comments about this idea?

They might be a little bit too close to each other. I'm no expert, so maybe someone else might advise on this. If you want the multi-stemmed look, there are types of Eucalypts called mallees, which grow in semi-arid regions (some grow in the more fertile districts however). They have about 3-5 stems protruding from the base of the tree, and grow about as wide as they do tall (~4-5m). Don't know if they will grow where you are, or even if they are available, but maybe something worth considering.

There is some relevance in the theory of planting in odd numbers as even numbers look odd. Therefore stick to 1 or 3 plants in your hole. Planting seedlings in the same hole is being done on a more regular basis these days and can be quite effective.

Another way to get eucalypts to have multiple trunks is to coppice those species with lignotubers which will then send up multiple trunks (possibly).

Thank you pos02 and Danili,for your comments,pos02 E.ficifolia is a Mallee i mean with a lignotuber,and if cut back ,or burnt,it will sprout again from this lignotuber, in that case,i can let on tree stems....the only thing ,is the fact that it's an hybrid (ficifolia x ptychocarpa)!!!
I think i better try the Danii's way!
Any way thanks again,and GO Australia!Saturday there is a rugby match France Australia...