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"Cursed" Border

Hello, 

I am a newbie to this forum (but not necessarily a newbie gardener) so I hope I have posted this in the correct category. I apologise in advance for quite a lengthy post.

I live in the North West of England (Manchester) and have a fairly large garden. As with the majority of gardens in Manchester our soil is clay-based, though I have been gradually improving the soil in the whole of the garden over the years. The garden still gets somewhat waterlogged in winter but nothing too major. 

I'm quite happy with most of the garden borders now but there is one I am struggling with and, honestly, I think it's cursed.

The border gets full sun from early morning to mid-afternoon and is slightly sloped. Anything I plant in this border just dies after one season. I've tried quite a lot of different plants for different situations in this border and barely any have survived more than one year - the survivors being geum, shasta daisies, and a coreopsis that has suffered badly with mildew and will probably die this year. I've got an orange ball tree (buddleia globosa) in at the moment which has plenty of green growth but hasn't flowered (possibly because it doesn't get enough sun but I'm hoping for it to get tall enough to pop above the fence and get all day sun) and a geranium rozanne which has spread massively but the flowering is "meh". 

There are a few things which I think might contribute:-

1 -  The previous owner of our house planted virgina creeper and there is a lot of it - it pops up all over. I dig bits out here and there but I really like it so don't want to get rid completely. I am wondering if it is a hungry plant and is sapping the soil of nutrients.

2 - There is quite a big cherry blossom tree (about 25ft High) near this border - I never hit any cherry blossom roots when I'm digging but I wonder if this is sapping the soil of nutrients. 

I used chicken manure pellets elsewhere in the garden as a general feed - should I incorporate some of these into this border? Or should I dig up my existing plants and incorporate some manure?

Any thoughts are welcome and thank you for reading. 
 
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  • LoxleyLoxley Posts: 5,698
    edited September 2022
    Any pics? Seems likely that the nearby cherry is contributing, if the soil dries out too much. Scratting some chicken manure pellets into the surface of the soil seems a reasonable step, although I doubt nutrient deficiency is the main problem. Large amounts of organic matter worked in to the surface will improve soil structure. What plants have failed, especially ones that you thought would do better than they did?
    "What is hateful to you, do not do to your neighbour". 
  • LynLyn Posts: 23,190
    Maybe someone has pruned the Buddleia  at the wrong time,  they flower on last years wood,  maybe someone has snipped it this Spring? 
    Gardening on the wild, windy west side of Dartmoor. 

  • izzy8izzy8 Posts: 147
    Agree with Lyn on the Buddlia, most of then can be pruned low in spring but not globosa,  this years growth will flower next year.
  • @RBManc I think every gardener has one border that never seems right whatever they do. Am I right in thinking it is wet in winter and then dries right out in summer? Nothing will like to grow in such conditions.

    The cherry could be adding to your problems and I would hope it is a good distance from your house. I wonder if you need to improve the soil but also add lots of grit, could be expensive but your soil will be more open and free draining all year round. You could then plant for these conditions.This is something I have tried myself with a new border but it hasn't as yet been through the winter. It is full of Cosmos Rubenza at the moment whilst the plants mature and it has worked well.

    I do realise that this is going against nature and I haven't been able to break through the pan of clay below completely but I have opted for some tough plants that seem to be ok. I guess the winter months will be the proof especially if it is wet.
    I have worked as a Gardener for 24 years. My latest garden is a new build garden on heavy clay.
  • I haven't pruned the Buddleia this year but moved it in Autumn last year - I wasn't really expecting it to flower this year because of the move. I don't intend to prune it for a few years as I'd like it to get a bit bigger before I prune. 

    I'll take a photo of the border when I get home from work but so far it has killed off Campanula Persicifolia, Astilbes, Salvias, Rudbeckia (which I knew weren't really suitable for that area), a Hypericum and an Erysimum. 

    I should probably do a soil pH test too. 
  • @GardenerSuze This border is definitely the achilles heel of my garden... It gets wet at the bottom level of the border but does stay quite dry at the top. The top is also where all the Virginia Creeper vines are. 

    The cherry is quite far away from the house and isn't very pretty - we only really keep it because the birds like it.

    I've added quite a bit of compost in over the years but maybe not enough - I'll also try adding some grit. I have a spare bag around that I can try for now. I've tried planting for damp conditions but I didn't think about the fact that it is quite dry over summer. 

    Hopefully your new border will pull through the winter!  :)
  • PosyPosy Posts: 3,601
    My garden is very dry in summer but waterlogged in winter. It is a real challenge. Can you tell us something more about when and how the plants die? Are they thirsty and drying out over summer or do they fail in winter? If so, what do the roots look like when you take them out? Do you experience severe cold or wind in Spring that just proves the last straw?

    Soil is ALWAYS improved with lots of muck - organic muck, not bags of potting compost, and grit helps with clay but it would be very surprising if nothing grows there. It may just be that you need to feed your soil more and choose the right plants. And you need a gap between the creeper and new planting.

    I have persuaded a number of things to cope in my garden but I think it's important to know what's killing yours before you put in any more.
  • FireFire Posts: 19,096
    I have a cursed border and have decided to sod it and whack in a pond there and have done.
  • Ignore the missing fence panel... This is a photo of the cursed border yesterday. Most of the plants are starting to finish already. 



    Here is a photo of the top part of the garden as a whole with the cursed border over to the right - this was taken in May/June when everything was a bit happier. You can just about see the large cherry blossom at the far right with the virginia creeper climbing up. The Hawthorn is in the cursed border (I forgot that was there because I don't like it but the blue tits often nest in it so it can stay) and the other large shrubs/small trees in the back right are in their own raised border. 

    I think my best plan of action is to take everything out, dig in plenty of manure (I have a farm down the road who regularly get rid of their well-rotted manure) and possibly try to incorporate some grit. 

    Also, now I am looking at the photos the border does look quite congested so maybe it is time for a general re-design :)

    @pansyface - No gas leaks that I am aware of! 

    @Posy - the plants survive and do well for a while and then all seem to get root rot. When I was looking at the campanula, the dead plant just snapped away leaving the roots behind and upon digging around the roots to investigate, they were rotten. That is the case with all the plants that die there. 
  • Have you considered trying ornamental grasses in your border?  There are some like Miscanthus and Panicum which will cope with clay soil.  You may have similar conditions to Jackson's Nursery in Staffordshire, as detailed here: Buy grass plants for clay soil - Jackson's Nurseries (jacksonsnurseries.co.uk)
    Wirral. Sandy, free draining soil.


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