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Sad Roses

Discussion in 'Roses' started by Sheryll, Feb 24, 2021.

  1. ARMANDII

    ARMANDII Low Flying Administrator Staff Member

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    So would I, Sheryll:dunno::doh: This is the RHS assessment of Rose "China Town", see the reference at the bottom about disease resistance..............somebody fibbed to you

    "Rosa 'Chinatown' (ClF)
    rose 'Chinatown'
    Other common namesrose 'Chinatown'

    • SynonymsRosa

    • FamilyRosaceae

    • GenusRosa can be deciduous or semi-evergreen shrubs or scrambling climbers, with usually thorny stems bearing compound pinnate leaves and solitary or clustered flowers. Flowers may be followed by showy red or purple fruits in some varieties.

    • Horticultural GroupClimbing roses are vigorous shrubs with thorny stems and large, solitary or clustered, often fragrant, usually remontant flowers

    • Details'Chinatown' is a vigorous upright medium-sized shrub to 1.2m, with very fragrant, double, clear yellow flowers often edged with pink and good, bright green foliage in summer and autumn
    Characteristics
    • FoliageDeciduous

    • HabitBushy

    • FragranceFlower

    • Hardiness

      H6
    Colour
    Colour in Autumn
    • [​IMG]
      foliage



    • [​IMG]
      flower



    • [​IMG]
      flower


    Colour in Spring
    • [​IMG]
      foliage


    Colour in Summer
    • [​IMG]
      foliage



    • [​IMG]
      flower



    • [​IMG]
      flower


    Sunlight
    • [​IMG]
      Full Sun
    • AspectWest-facing or South-facing or East-facing

    • ExposureExposed or Sheltered
    Soil
    • [​IMG]
      Chalk


    • [​IMG]
      Clay


    • [​IMG]
      Loam


    • [​IMG]
      Sand
    • MoistureMoist but well-drained, Well-drained

    • SoilChalk, Clay, Loam, Sand

    • pHAcid, Alkaline, Neutral
    Size
    • Ultimate height1-1.5 metres

    • Ultimate spread1-1.5 metres

    • Time to ultimate height2-5 years
    How to grow
    CultivationGrow in full sun with fertile, humus-rich, moist but well-drained soil. For best flowering apply a balanced fertiliser and mulch in late winter or early spring and a balanced fertiliser again in early summer. Tolerant of poor soils and suitable for hedging. See also rose cultivation

    PropagationPropagate by hardwood cuttings in autumn or by chip budding in summer

    Suggested planting locations and garden typesCut Flowers Flower borders and beds City & Courtyard Gardens Cottage & Informal Garden

    How to care
    PruningPruning group 16 (roses)

    PestsAphids, rose leafhopper, glasshouse red spider mite, scale insects, caterpillars, large rose sawfly and rose leaf-rolling sawfly may be a problem. Deer and rabbits can cause damage

    Diseases May be affected by black spot, rose rust, rose powdery mildew and Down Mildew."

     
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    • Mike Allen

      Mike Allen Total Gardener

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      I believe Rosa Chinatown came onto the market around 1963. It instantly became very popular due in part to it attractive colour and scent. I don't recall it ever being classed as disease resitant. Multiple plantings were made in public parks and gardens, and having always shared a great love for roses and the Queen Mary rose garden in Regents Park. London. It soon became noticeable that this delightful rose sadly attracted black spot.

      During my lifelong love and botanical study of roses, plus my friendship with the late. S M Gault MBE and several rose nurserymen. We all had this idea of planting our roses in beds. To me this was the ideal. A bed of say 60 plus roses all of the same. No underplanting. Sad to say this has proved to have it's problems. Although it all looked good. In cases where roses, suseptible to black spot were planted. We in fact had introduced an on-site factory, breeding ground for the disease. This was identified at the Garden of the Rose. The National Rose Society's garden at St. Albans. Suddenly rose beds were now to be found, having non rose plant added.

      So to plant and cultivate a rose hedge. I would plump for say Rosa Rugosa or Rosa Canina. These are two of the natural roses. Sorry to go on, but to me. Roses like a beautiful woman. You can't get enough.
       
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      • Sheryll

        Sheryll Apprentice Gardener

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        @ARMANDII, @Mike Allen I feel completely duped!

        Going forward, do you think this is worth fighting or should I dig these up and start again?! Although, even if I remove these I can’t replant roses due to the soil - right? There are about 20 roses....I feel completely defeated.
         
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        • Mike Allen

          Mike Allen Total Gardener

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          IMO. Make do with what you have. Think, prevention rather than cure. Best wishes.
           
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          • Sheryll

            Sheryll Apprentice Gardener

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            Just thought I’d update on the war with the black spot! So I cut the roses back hard and sprayed the hydrogen peroxide mix (I think about 4 sprays in total) to kill any lurking spores. I’m now spraying weekly with a milk/bacarb soda/garlic water mix to hopefully try to prevent an outbreak. The Chinatown and the magic moment roses are holding up well but the Sheila’s Perfume does not seem to like anything on her leaves and they’ve went a bit shrivelled looking. I think I’ll back off with the spraying and let her recover a bit, she never suffered too badly anyway!
             
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