Top Questions About Rowan Trees

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Questions About Rowan Trees

Asked by
sylviae on
November 8, 2013

Q. Pruning a rowan tree (sorbus) in a pot

I have a 5 ft high Rowan, which I have been given. It is in a large container but I plan to plant it in my garden, excellent soil there. However, it has various branches growing out very close to the ground of the main trunk. I think Rowans just have one main trunk… but I’m afraid to prune if this is detrimental. Each of the branches growing low has beautiful berries on it and the tree is healthy. Thanks.

Answered by
AnnsGreeneHaus on
November 8, 2013
A.

his link may be of some help: http://hort.ufl.edu/database/documents/pdf/tree_fact_sheets/sorauca.pdf

You would need to ''limb up'' your plant into a single trunk for a tree shape. Folks around here leave them as shrubs too. If you transplant now, the root system will continue to develop over the winter. Then, in the spring, your plant won't have to be making roots, leaves and blooms at the same time.

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Asked by
Anonymous on
April 17, 2015

Q. Transplanting a Young Rowan Tree

I have a couple of very young Rowan trees, which I have managed to nurture from just a couple of twiggy specimens in large pots outdoors. These trees were given to me by a neighbor a couple of years ago. They are both doing really, really well and transplanted one of them in the front of my garden a year and a half ago and it is growing wonderfully, and is now over a foot tall. The other is still in its pot and growing wonderful. I want to transplant this one from its pot and place it at the far end of the back garden, but not sure when the best time to do this is, as it has just recently produced another load of leaves and growing nicely. I do not want to kill it.

Answered by
shelley on
April 21, 2015
Certified Expert
A.

I would recommend moving your rowan tree in the late fall after it has gone dormant.

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Asked by
Anonymous on
July 24, 2015

Q. rowan tree

The leaves on my rowan are going yellow. It has only been planted about 6 months. What’s wrong?

Answered by
Downtoearthdigs on
July 26, 2015
Certified Expert
A.

This is still a fairly new planting, so it could be suffering from a bit of shock, likely heat stress. The roots have not had enough time to fully establish, making it more difficult for the tree to withstand the high summer temps. Newly planted trees also require lots of water, so you may want to up its irrigation some.

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Asked by
Anonymous on
August 12, 2015

Q. dying branches on rowan tree

Over the last 6-8 weeks, two branches of our rowan tree have had the leaves curl and go brown with many dropping off. It has now spread downwards from the top of the tree to where they join the main trunk at about head height. The branches are about 8 cm diameter where they join the trunk. There is some evidence of isolated leaf curl and die back on some other branches. Can you suggest what this might be?

Answered by
Downtoearthdigs on
August 15, 2015
Certified Expert
A.

Ash Tress have been plagued with issues the last decade.
I would suggest you have the tree inspected by a qualified Arborist to make a correct diagnosis.

Here is a link for you with more information.
https://www.gardeningknowhow.com/ornamental/trees/ash/ash-tree-shedding-bark.htm

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Asked by
Green grass on
August 29, 2016

Q. rowan not flowering

I transplanted a seedling rowan (think it was Joseph Rock) which was growing away in a flower pot. This was approx 5 years ago and it has flourished into a well shaped tree (approx 6/7 feet) with plenty of healthy looking leaves but — no flowers and, of course, no berries. Two other rowans, admittedly much more mature are covered in berries this year. So disappointing – any ideas?

Answered by
Alisma on
August 30, 2016
Certified Expert
A.

Some species of rowan are quite slow growing, so it is possible that this tree is still too young to flower. Another possibility is that it's not getting enough sun, or lacks nutrients important for flowering including phosphorus and potassium. Correcting these issues should promote flowering.

See these articles for help:

https://www.gardeningknowhow.com/plant-problems/environmental/plant-not-blooming.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/bone-meal-fertilizer.htm

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Asked by
Wicketer on
September 11, 2016

Q. Rowan Tree

Lack of leaves – what is the problem?

Answered by
Alisma on
September 12, 2016
Certified Expert
A.

This article might help you find the answer. The same problem can occur in late summer as well, especially in a hot and/or dry year:

http://csuhort.blogspot.com/2013/08/the-mid-summer-leaf-drop-blues_1002.html

Also check this article about rowan diseases in case yours is showing any disease symptoms. Rowan is also known as mountain ash or by its scientific name, Sorbus.

https://extension.psu.edu/pests/plant-diseases/all-fact-sheets/mountain-ash-diseases

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