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Beginner skill rating |
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15m max. spread |
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15m max. height |
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20-50 years to maturity |
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1 hour care per year |
Botanical name: Sorbus thibetica 'John Mitchell'
Other names: Tibetan whitebeam 'John Mitchell', Sorbus aria 'Mitchellii'
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Genus: Sorbus
Variety or cultivar: 'John Mitchell' _ 'John Mitchell' is a compact, deciduous tree with rounded, elliptic leaves that are covered with white hairs when young and mature to dark green with white undersides. In spring, it bears clusters of creamy-white flowers, followed by brown berries in autumn.
Sorbus thibetica 'John Mitchell' is: Deciduous
Flower: White in Spring
Foliage: White in Spring; Dark-green in Summer
Stem: Brown in All seasons
Fruit: Brown in Autumn
Tree shape: Compact, Rounded
Awards: RHS AGM (Award of Garden Merit)
Sorbus thibetica 'John Mitchell' (Tibetan whitebeam 'John Mitchell') will reach a height of 15m and a spread of 15m after 20-50 years.
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Suggested uses: Low Maintenance, Wildlife
Cultivation: Plant in moderately fertile, humus-rich soil. This tree is tolerant of atmospheric pollution.
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| Soil types: |
Clay, Loamy, Sandy |
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| Soil drainage: |
Moist but well-drained, Well-drained |
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| Soil pH: |
Acid, Neutral |
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| Light: |
Partial Shade, Full Sun |
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| Aspect: |
North, South, East, West |
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| Exposure: |
Exposed, Sheltered |
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| Hardiness: |
Hardy (H4) |
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Discuss Sorbus thibetica 'John Mitchell' (Tibetan whitebeam 'John Mitchell') with other Shoot members.
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Question from
jenny white
Hi
I will start by saying I know nothing about plants so bear with me if I sound a bit dim lol !
I bought 2 different sorbus trees 2 years ago and planted in the back of my south facing flowerbed.
One is growing and looking great but the other with the "rounder" looking leaves looked awful within weeks of planting. I noticed asmall brown dot on one of the leaves when I bought it which I now know I should have removed but I didn't remove it then as the tree was very young and I didn't want to harm it. (Doh!)
Within weeks all the leaves turned brown and I took a photo and a couple ofleaves back to the garden center where I bought them from and was told "spray this on it and if it dosn't work bring it back next year and we will give you a new one".
Well it wasn't covered in brown spots this year but the leaves were very sparce and it just looks "spindley" to be, espicially compared to the other sorbus which is a different variety but has an altogether healthier look about it. I don't want to dig it up and kill it so should I cut all the branches off and hope this revives it ? I have been reading an article on here about pruning shrubs and why you should prune and it said if any branches of a shrub look unhealthy you lop them off so the plant's energy goes into producing healthier new growth...would this apply to young trees too ?
Again sorry to sound dim but I would rather ask than cause permanent damage to the little tree if there is any chance for him !
Many thanks in advance,Jen.
- Views: 41
- Replies: 2
- Posted: Mon. 2nd January 2012 07:01
- Last reply: Mon. 2nd January 2012 08:41
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