Eucalyptus gunnii azura

My eucalyptus has started to go brown in the last couple of weeks. It is planted in a container. Any ideas what is wrong with it?

 

It's in a container, is the short answer

They really don't like that. They want to be huge trees, and although keeping them potted restricts size, if they don't have the right care and a good size of container , they really won't be happy. They need reasonable drainage, but enough moisture, so you do have to check how wet or dry the soil is in there.
It would also need to be in a soil based mix and not just compost, so if that's what it's in, it would be worth repotting it. You can get specific mixes at GCs etc - look for a John Innes type suitable for trees/shrubs.
It may also benefit from being cut back to relieve any stress on it.

 

Not really a tree that is happy in a container for any length of time.
Could be some frost damage depending on where you are.

 

It looks very dry which won't help.

 

It's hard to see the container from that angle, but I wonder if it's one of those tall narrow ones, which is probably the worst shape for any shrub or tree, especially one that isn't inclined to be small.
They aren't really bothered by frost, but if it's already unhappy, it wouldn't have taken much for it to be affected by any smaller problem. In a windy or exposed site, that can also affect any potted plant far more than in the ground.
Perhaps @Gary Jenkins can give some more info. If it's still alive, it can be cut back, and maybe re potted into something more suitable if it can't go in the ground

 

I have eucalyptus in a half barrel prune it alternate years and feed and water it well and it’s healthy but I know at some point it will need to go in the ground . I did buy from a specialist store which recommended this variety for a pot. I like the young foliage so pruning is not a hardship.

 

I've just realised it's not the bog standard gunnii that the OP has. It seems to be a more compact variety, however it seems it will still get to a reasonable size, so probably best moved into something larger

 

I like to keep my Eucalyptuses small with the pretty blue juvenile foliage, so I have stooled them today. They will grow 4-6 feet in the year.

 

Eucalypti?

 

I've pollarded my E. gunni for a few years, but for various reasons it didn't get done last winter so I have recently finished it.
Picture below is just one stem of two years growth.


But its all done now.

 

It’s in a circular pot, about 50cm diameter and depth. Plant itself is about 5ft tall.

how hard can i prune back if i do? Might try and find a spot in the ground for it though.

By the way it’s a Gunnii Azura with the small leaves

 

What mix is it growing in? It looks like it could be dry. If it's just compost, that's not suitable for something like that to thrive long term. It just makes it harder to maintain any plant if the soil mix isn't right, and especially if it gets dried out as it's then hard to rehydrate them. The foliage also prevents rain getting in, and if it's near a house wall all the time, that also prevents rain getting in, so it's easy for shrubs or trees to get dry in summer conditions. Wind dries foliage out quickly too. A photo from the front always helps if you can manage one

You could cut it back a couple of feet, but if it's one of those pots that tapers towards the base, it will be restricted, whatever you do. It would certainly be easier to maintain if it was planted out - in the same way others have described or shown.

 

Here is a full length pic. Thoughts?

 

My thoughts are - that looks as if it's been grown as a standard rather than a bushier specimen.
If it was a grafted plant, the bit at the bottom could be coming from that , or it could just be growing from the base of the main trunk. It's hard to see that section properly though, even when I enlarge it a bit more. If it was mine, I'd take that lower growth off completely, but I can't see it well enough. The first photo hid all the area too because it was taken from above.
That pot doesn't look anything like 50 cm diameter or height. It looks quite small to me, comparing it with what's around it.
Again, if the soil mix isn't right, that makes it even harder for it thrive. I think there might be a lot of root in that pot and not a lot else

 

OK thanks - plan of attack based on above and on some further research is to: put in ground or much larger container, coppice or pollard it (TBD which) and see how it goes