Sorbus 'Joseph Rock' (Joseph Rock Mountain Ash) - 9L Pot

Code: TR0203
Sorbus 'Joseph Rock' (Joseph Rock Mountain Ash) - 9L Pot
Sorbus 'Joseph Rock' (Joseph Rock Mountain Ash) - 9L Pot

Striking small tree, with finely formed foliage that turns to vibrant red and purple in autumn. Large heads of creamy white flowers in spring are followed by heavy bunches of brilliant yellow berries, much loved by birds.


  • Flower Colour: white
  • Foliage Colour: green in spring and summer, red/purple in autumn
  • Approx. Growth Height: 12m
  • Comes in a: 9L polypot (not a rigid pot)
  • Approx. Height on Arrival: 150-170cm
  • Tree is approx 3 years old with a 1 year old rootstock
  • Flowering Period: spring
  • Growing Habit: bushy
  • Hardiness: fully hardy
  • Exposure: sheltered, exposed
  • Rate of Growth: max. height in 10 years
  • Scented: no
  • Wildlife friendly - attracts bees and other pollinating insects


  • Light Requirements: full sun, partial shade
  • Soil Requirements: acid, neutral, clay, loamy, sandy
  • Moisture: well-drained, moist but well-drained, moderately fertile

Caring and Maintenance

Water young trees regularly until roots are well established. Trim annually from mid to late summer. Apply some fertilizer in spring in order to promote healthy growth. Optionally, mulch in spring. Check tree ties regularly and loosen any if necessary to avoid rubbing of the stems.


  • Planting Distance: 8m

Suited to almost all well-drained and moderately fertile soils in either an exposed or sheltered location with either full sun or partial shade.
Before planting your tree, clean up all wandering weeds and keep a clean ring around the tree base. Water well during the first year until well established.

Autumn is the best season for planting trees, as the soil moisture and heat allow easier and faster root establishment and regeneration of damaged root systems.

This is an example of our polypot - note the fruit/ornamental trees we stock will vary in appearance according to species and season.
Customer Reviews

Average Rating: 5.0/5 (4 reviews)

Rating: 5/5

"When I ordered the tree it didn't say delivery time for them.
I phoned and was told it would be march next year for delivery! As it is a birthday present I asked to cancel my order. A nice chap phoned me back to day they had tree in stock!!! And delivery would be next day if I was still interested, so I took him up on offer and tree arrived following day and is doing very nicely indeed.

Reviewed Tuesday, 18 October 2016

Rating: 5/5

"excellent size tree"

Reviewed Monday, 2 May 2016

Rating: 5/5

"I was a little wary of ordering a tree online since you can't choose the particular one that you prefer, but the tree that I was sent is lovely - a very good specimen and a well balanced shape. I would be happy to order from Primrose again."

Reviewed Friday, 17 October 2014

Rating: 5/5

"Mountain Ash was in a healthy condition and well packaged."

Reviewed Sunday, 10 November 2013

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