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Small trees for alkaline soil

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  • NollieNollie Posts: 7,529
    That’s interesting, @Obelixx, I have very alkaline clay soil, but much improved with tonnes of grit and organic matter. i assumed, with that type of soil and very hot summers any cornus would be a no no - I thought they all needed more acidic, damp soil (so was intrigued when the RHS and GW said they would grow on chalk/alkaline soils). Would my heat still rule any of them out, do you think?

    Will, one small tree that does grow well in my alkaline soil is Euonymus Alatus, lovely toothed, knobbly bark, great winter colour and bionic pink/orange berries (but tiny flowers, sadly, blink and you miss them). It grows wild in rubbish soil here, plus I have a gorgeous potted specimen just waiting to be planted out...

    Great hat  :)
    Mountainous Northern Catalunya, Spain. Hot summers, cold winters.
  • LoxleyLoxley Posts: 5,698
    edited July 2019
    Funny you should say that Nollie, look what I saw on my nursery trip this morning. 



    And with a greyhound's arse, for scale. These are 30L pots!


    "What is hateful to you, do not do to your neighbour". 
  • LoxleyLoxley Posts: 5,698
    edited July 2019
    I have always like E. alatus but discounted it for being too small/slow growing. But these specimens are big enough to have instant impact. They're a bit expensive though  :o
    "What is hateful to you, do not do to your neighbour". 
  • purplerallimpurplerallim Posts: 5,287
    Why ill @Silver surfer, just because they hang down? 
     I love the crinkly big leaves hiding the tiny female flowers. Then in Autumn finding nuts hidden in them. Winter the leaves fall revealing twisted stems with catkins , which look lovely covered in snow or frost.
    Unlike the straight hazel, the twisted is quite slow growing so easy to train to the space you want to fill.🙂
  • NollieNollie Posts: 7,529
    The scale of a greyhound’s arse - brill, should be universally adopted as the international system of measurement!

    That’s a beautiful specimen (dare we ask how much?). My €16 foot high specimen is now 3ft after a year, much faster growth than I thought. Maybe it was the heatwaves...
    Mountainous Northern Catalunya, Spain. Hot summers, cold winters.
  • ObelixxObelixx Posts: 30,090
    @Nollie - we had one of those euonymous too.  Lovely small tree.   The RHS seems to think a cornus kousa isn't fussed about acidity/alkalinity - https://www.rhs.org.uk/Plants/4391/Cornus-kousa/Details so maybe having moisture retentive but not boggy soil is the key.   I do know my Belgian friend's cornus collection suffered badly in last year's drought.  They have a couple of white flowered ones, a pink one and the wedding cake thingy which does need a neutral to acid soil - https://www.rhs.org.uk/plants/113383/i-cornus-controversa-i-variegata-(v)/details

    Must admit I found our twisted hazel was a great refuge for birds when they were spooked by the sparrowhawk or the cats but I didn't really like it with its foliage on as that was twisted and crinkled too and looked sick.   Great when it was bare stemmed in winter and then just getting its catkins in spring.
    Vendée - 20kms from Atlantic coast.
    "The price good men (and women) pay for indifference to public affairs is to be ruled by evil men (and women)."
    Plato
  • NollieNollie Posts: 7,529
    Thanks, @Obelixx, yes I saw that re Kousa, and GW says the same... I could probably artificially create the right conditions in a raised bed, but it just seems wrong plant wrong place. Maybe when OH sees the Alatus with it’s bright winter coat on, a truce will be reached!
    Mountainous Northern Catalunya, Spain. Hot summers, cold winters.
  • malus and prunus varieties are tolerant of alkaline soil and quite a few of the sorbus family won't be overly stressed. Also crataegus.
  • LoxleyLoxley Posts: 5,698
    Malus Evereste and Crataegus prunifolia are on my mental list. 

    I associate crab apples with not particularly attractive foliage though - I need to go and see some in the flesh. 
    "What is hateful to you, do not do to your neighbour". 
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