Sorbus 'Joseph Rock'


10 lt pot (1.5-1.8m)
pot size guide
£74.99 Buy
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5 year guarantee

  • Position: full sun or lightly dappled shade
  • Soil: tolerates all soils
  • Rate of growth: fast-growing
  • Flowering period: April to May
  • Flower colour: white
  • Other features: attractive lemon-yellow berries
  • Hardiness: fully hardy

    Lovely green pinnate leaves appear in spring and turn glorious shades of orange, purple and red in autumn. Clusters of white flowers appear in spring and are followed in autumn by small yellow berries, which birds love. An outstanding small tree which can tolerate a wide range of soils and conditions.

  • Garden care: Requires minimal pruning. Remove any broken, diseased or crossing branches in late autumn or winter. When planting incorporate lots of well-rotted garden compost in the planting hole and stake firmly.

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by PowerReviews
CrocusSorbus'Joseph Rock'

(based on 1 review)

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Reviewed by 1 customer

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Attractive and bird friendly.

By Darger

from Ramsgate

Verified Reviewer


  • Attractive


    Best Uses

    • Garden

    Comments about Crocus Sorbus'Joseph Rock':

    We've had this tree seven years and it's the best thing we've bought for our garden. Elegant foliage that looks stunning in autumn and beautiful berries that attract in the birds.

    • Your Gardening Experience:
    • Keen but clueless

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    Do you want to ask a question about this?

    If so, click on the button and fill in the box below. We will post the question on the website, together with your alias (bunnykins, digger1, plantdotty etc etc) and where you are from (Sunningdale/Glasgow etc). We'll also post the answer to your question!
    2 Questions | 2 Answers
    Displaying questions 1-2
    • Q:

      Sorbus tree in a pot and probelm on my Lemon tree

      Hello Crocus, I used to have a wonderful Sorbus 'Joseph's Rock' in my previous small garden. I now have an even smaller garden set to raised beds contained by sleepers on 3 sides and paved in the centre with many pots. I would like to grow another 'Joseph's Rock', but this time it would have to be in a tub. Is this feasible? If so how big should the pot be initially? Would it have to be upped in size every couple of years, or can it be put in a large one straight away and left to grow into it and what about feeding it? A second problem I have is with a lemon tree, grown in a conservatory. This is its second year and it has produced 6 lemons - 5 still on the tree. I repotted it in citrus compost in a 9" pot and I have fed it weekly with the citrus feed I bought from you. For the past 3-4 weeks it has been exuding a stickiness which I think comes from a scale-like condition I have noticed mainly nestling along the ribs of the underside of the leaves, but also on some branches where the leaves join. A few leaves have started to go brown and curl at the tips. I have spent a lot of time trying to clean off the scale and did give it a spray a few days ago with a natural liquid containing neep oil. Still the stickiness is there every morning. What else can I do?! Yours hopefully, Pamela P.S. Do I need to continue Summer feeding while the lemons are still growing, or do I need to switch to the Winter feed regardless? The lemons grow very slowly!
      Asked on 27/9/2009 by Pamela Hodges

      1 answer

      • A:

        Hello Pamela, It is possible to grow this tree in a really large pot, but after several years it will start to struggle. You can either pot it up every couple of years, but I would buy the largest pot you can find and plant it straight out using John Innes No3 compost. As for the lemon, you should change to winter feed soon, and keep on removing the scale by hand. If you get rid of all of them then the stickiness will stop, but you should avoid using any chemicals on an edible crop. I hope this helps. Helen Plant Doctor

        Answered on 28/9/2009 by Crocus Helpdesk
    • Q:

      Sorbus tree as focal point for our new development

      Hi, I was just looking at your website, and was wondering if your Sorbus 'Joseph Rock' - Mountain Ash would be suitable in a shaded areas against an adjoining flank wall to our neighbour. Or would you have any other ideas? It is for an inner city location, and requires fairly low maintenance. The vicinity of next door's wall may hinder it's lateral growth. Would be nice to see something a little unusual as a focal point in a very small communal space. Await your response! Thanks Ian
      Asked on 15/9/2009 by Ian Brown

      1 answer

      • A:

        Hello Ian, These trees prefer a sunnier spot, and I would never recommend planting a tree very close to a structure. A better alternative would be either a Pyracantha or a Cotoneaster, both of which can be trained to grow flat on a trellis or network of wires on the wall. I hope this helps. Helen Plant Doctor

        Answered on 22/9/2009 by Ian Brown
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