Forum home Plants
This Forum will close on Wednesday 27 March, 2024. Please refer to the announcement on the Discussions page for further detail.

Climbing hydrangea question

borgadrborgadr Posts: 718
I have 2 climbing hydrangeas (petiolaris), I think, which I planted last year in early spring. They're a bit slow to get going, which I've read is normal.

One is climbing and looks as I expected (1st picture). The other (2nd picture) looks a bit odd and has thrown up a big stalk that looks suspiciously like a shrub hydrangea and not the kind that will "climb". (Ignore the plant to the left which is a regular mophead hydrangea)

Can you please advise..  firstly do you think this is really a climbing hydrangea and, if so, should I try to train that leading stalk against the support, or just ignore it, or even cut it off?  Might it even be a sucker from the neighbouring mophead (do hydrangeas do that?)



«1

Posts

  • Silver surferSilver surfer Posts: 4,719
    Your pics turned and trimmed.



    Perthshire. SCOTLAND .
  • Silver surferSilver surfer Posts: 4,719
    edited June 2022
    Pics below to show leaves of Hydrangea anomale petiolaris.

    Once they get going they are HUGE see last 2 pics
    Perthshire. SCOTLAND .
  • GardenerSuzeGardenerSuze Posts: 5,692
    @borgadr The leading stem is exactly what you need,then it will branch outwards. I notice you are growing it on a fence in time it will break the panel.Can take a couple of years from planting to put down roots first and then climb.Can be another two years before flowering. So first photo looks fine.
    I can see what you mean about second photo the leaf and growth does look a little different.  There are flowers at the base that look like H petiolaris?
    I wonder if long term you would be better of with just the one plant it is very strong growing when it does get going. You will need to take a look at how to prune[eventually]
    I have worked as a Gardener for 24 years. My latest garden is a new build garden on heavy clay.
  • borgadrborgadr Posts: 718
    Thanks a lot @GardenerSuze and @Silver surfer.  I guess that answers my main question regarding the tall shoot :smile: .

    The two plants are about 4m apart on the same fence; I had hoped to train them kind of in opposite directions. They won't run out of space; there's about 20m of exposed fence that I'd be happy to cover, and beyond that a further 10-15m both sides that's already obscured by trees and large shrubs (but not climbers).

    But maybe 2 is still overkill?  There's a nice old brick/stone boundary on the other side I could move one of them to.

    But your pictures made me think - maybe that fence just won't be able to support even one of those?  Unless there's some way for me to support the plant or reinforce the fence
  • nutcutletnutcutlet Posts: 27,445
    I'm not convince that long shoot is Hydrangea of any sort. Can you see where it's joined? might it be a separate plant?


    In the sticks near Peterborough
  • borgadrborgadr Posts: 718
    @nutcutlet - now I feel stupid.  The long shoot is coming out of the ground, a couple of inches from where the rest of the hydrangea emerges.  But on closer inspection I've just found that the shoot is actually emerging from the supporting cane (under the soil) which was a weigela pruning.

    My rogue shoot is in fact a weigela! 

    It did look a lot like a hydrangea stem - apologies @GardenerSuze and @Silver surfer for wasting your time!

  • GardenerSuzeGardenerSuze Posts: 5,692
    edited June 2022
    @borgadr Please don't think you are wasting time. The fun of gardening is learning something new. Everyone on this forum makes mistakes, my excuse is that I am retired and have senior moments. When it comes to spelling and loading photos forget it!
    You do have a positive you can now see from @Silver surfer photos of just how big it gets. I did see one fall off a wall one it was huge. It had split low down and it was a case of start again. Plus it hadn't been pruned correctly which didn't help.
    One last thought, I did work in a garden where there was one growing on a South  facing house wall, it was amazing must have found moisture from somewhere. 
    I have worked as a Gardener for 24 years. My latest garden is a new build garden on heavy clay.
  • nutcutletnutcutlet Posts: 27,445
    not a waste, good for the brain. I was between the Weigela and a Viburnum x bodnantense


    In the sticks near Peterborough
  • thevictorianthevictorian Posts: 1,279
    edited June 2022
    We have one that covers the front of our house and it was planted 40 odd years ago without any support at all, it just holds itself up, but I do worry the fence won't be stable long enough to keep it going. We planted one that backs on to a shed a few years ago and we will have the same problem eventually and I plan to make a metal trellis or supports at some point. I planted honeysuckle close to it so that I had more instant gratification and just hack that back as the hydrangea covers more.
    The new one has been slow to get going like the others have mentioned but once they do, they can grow very quickly but more vertically than horizontally, so you will have to tie it in to cover the fence and I think it will take many years to cover the area you want (but don't let that put you off, they are lovely plants).    
  • borgadrborgadr Posts: 718
    edited June 2022
    Thanks @thevictorian. Yes, the fence has support cables along it (2 horizontal rows across the middle and near the top of the fencing) that are secured to the fence posts rather than the panels. The hydrangeas haven't reached those yet.  The fencing panels are also topped by about 20cm of trellis.  The idea is to train shoots along the horizontal wires initially.
Sign In or Register to comment.