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ROSES: Spring/Summer 2022 🌹

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  • Loving the reviews, I still mostly have austins so I can't impart much that  folks won't already know, but Harlow Carr and PAOK are both on borrowed time for me,  unless they show a bit of vigour and bloom more. Reines des violets is nice , but her blooms are a bit on the small side, I will give her another year. Stand out improvers from last year  that have massively improved in year 2 are Darcey Bussel and the the ancient Mariner. Jacque Cartier has been my favourite new comer, maid marion is too sparse with her blooms and going at the end of year, I've already chucked st ethelburga in the bin as it was a diseased mess. Overall, I think its been a great summer so far for roses and the garden in general.
  • NollieNollie Posts: 7,529
    @dabolem, maybe it’s a mix of the two or just pure chance with the sawflies then, who knows! My Astronomia gets morning sun only and most of that is shaded by an olive tree, so yes should be fine in dappled shade.

    My feeding has been a bit chaotic for the last two years because getting hold of good rose food has been difficult, but normally I would mulch with manure in winter, give a balanced, slow-release feed in March and again June, then when buds are forming for a flush I additionally feed with a liquid high-potassium feed to encourage blooming. I don’t liquid feed when they go dormant in the heat of July/August. How much you need to feed I think depends a lot on your soil, I have very little soil with a high proportion of compost so it does need the nutrients topping up. I assume more food is needed with fast-draining sandy soil, perhaps very little for a rich, loamy clay soil?
    Mountainous Northern Catalunya, Spain. Hot summers, cold winters.
  • WAMSWAMS Posts: 1,960
    Can you bring a permanent marker and draw blackspot on the Austins you actually want? I'd have bagged a T à B, too
  • FireFire Posts: 19,096
    I seem to have worse black spot this year than I can remember, but it may that I'm just paying closer atention. Barkarole is badly affected.

    Jamain is also totally decimated, despite extra watering and feeing. Through August I will try deep regular watering and weekly tom feed and see if that makes any difference. I was watching this year and the BS started immediately after its big bloom subsided. Does that suggest it has a big burst of floral energy and then collapses? Or are fungal diseases just fungal and there is little we can do - not to do with the vigour of the particular plant?

    With roses sulky like Jamain the advice is often to give "tlc" but I don't really know what that means. If I clip off spotted leaves now there would be nothing left.
  • WoodgreenWoodgreen Posts: 1,273
    It's the worst I've seen here too @Fire, at least for as far back as I can remember. 
    My 'first and last' rose, 'Blush China' didn't really close down for the winter, (mild but damp) so I didn't prune it as well as I should have and the black spot seemed to start on that, on leaves that had grown over the winter. Susceptible roses like 'Chapeau de Napoleon' and 'Zepherine Drouhin' have it badly but even new roses have a few leaves affected.  Sad to see.
  • Lizzie27Lizzie27 Posts: 12,494
    @Fire, I cut my tall laterals on top of my arch off as and when, I'm now using a long handled pruner instead of a stepladder - safer for me. It gets too congested and the wind is a problem here sometimes.

    Love your garden!
    North East Somerset - Clay soil over limestone
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