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SORBUS 'Joseph Rock'
Commonly known as Rowan
Deciduous - pinnate leaves to 15cm (6in) long, composed of up to 21 narrowly oblong, sharply-toothed, bright-green leaflets. Autumn colour of orange, red and purple.
Height - 10m (33ft)
Spread - 7m (22ft)
Tree - broadly upright tree. Produces flowers in flat-topped clusters 10cm (4in) across. Yellow berries turn orange-yellow with age.
Hardy - very cold winter - Hardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F)
Partial shade - light, dappled shade
Additional Features - Berries - These plants have berries.
Good to know - prone to fireblight. Wildlife plant - flowers attract flies, bees and beetles.
Pests & Diseases - aphids, sawfly larva, canker, honey fungus, fireblight.
Place of origin - from a seed collected in northwestern Yunnan, China, in 1932 by plant collecter Joseph Rock.
Hardiness - Fully hardy
Scented Plants - Scented flowers
Soil Conditions - Fertile well drained soil - moderately fertile. Humus-rich
Tree Shape - Rounded to broadly columnar
Wildlife - Bee friendly
Planting to avoid allergic reactions and asthma
- Allergic reactions and pollen
- Plants which produce masses of pollen - to avoid
- Plants producing little pollen - relatively safe!
Shrubs and Trees - Seeds - 1) Collecting Seeds
Shrubs and Trees - Seeds - 2) Storing Seeds
Shrubs and Trees - Seeds - 3) Planting Seeds
Trees - Care Guide
- How to plant a tree - Video Tip ondemand_video
- How to plant a tree
- Checking ties - Video Tip ondemand_video
- Restaking fallen young tree - Video Tip ondemand_video
- Fallen old tree - Video Tip ondemand_video
- Spring pruning - Video Tip ondemand_video
- Removing side shoots - Video Tip ondemand_video
- Deer protection - Video Tip ondemand_video
- Weed Spraying - Video Tip ondemand_video
- Tree Survey - Video Tip ondemand_video
Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00
Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
2 options from £6.00
Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants. Perfect used in conjunction with Rootgrow™.
Vermin & Pest Control
Essential small tree protection from vermin and strimming. This pack includes 5 x 90cm canes and 5 x 90cm spiral guards. Includes instructions.
Slate Plant Labels
These wonderfully tactile natural slate plant labels are hand made in Cornwall and come with a chalk pen. Just stick them in your pot or border. Pack of 6.
Slate Tie-on Plant Labels
Hand made in Cornwall, these delightful natural slate labels are perfect for pots. Comes with chalk pen. Pack of 5