Damson Plum Trees

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  1. Damson plum tree not giving fruit
  2. Concerns my plum, damson and greengage trees
  3. damson tree shoots in lawn
  4. damson plum
Asked by douglas on June 14, 2012
Damson Plum Tree Not Giving Fruit

My Damson tree is now 3 years old. It flowers well and the tree looks fine each year; however, no fruit ever appears. Following the flowering, the tree looks a bit sad and the leaves curl in places but no sign of pests. My other plum trees in the garden (different types) do well for fruit each year.

Douglas.

ANSWERS
Heather
Certified GKH Gardening Expert

You did not put where you live, so I can't be sure of this, but it is possible that the tree may not be getting enough chilling over the winter. How much chilling varies from variety to variety, so the other plums in the yard may be getting enough chilling for their variety but the damson does not. Without enough chilling the flowers cannot produce fruit.

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Asked by oscarwilliam on June 21, 2012
Concerns My Plum, Damson and Greengage Trees

On an extremely windy and rainsoaked day all my plum trees lost most of their leaves and flowers. All trees have new leaves growing and some fruits but the fruits are tiny and misshapen and very dark in colour. Could this be pocket plum or something else and how should I treat it? Apple and pear trees have not suffered in the same way.

ANSWERS
Heather
Certified GKH Gardening Expert

I don't think it is plum pocket. Normally, with that disease, the fruit have a pockmarked look to them.

It sounds like the plums were affected by a stone fruit exclusive fungus (which is why the apple and pear are fine). It was probably attacking the trees before the storm came, but the weakened leaves and fruit could not handle the high winds.

The fruit you are seeing now is a last ditch effort on the tree's part to produce seeds this year. They will not produce any kind of quality fruit, so it is best to remove the fruit now to prevent the tree from focusing energy on them. This will also help to redirect the energy to the leaves, which will help the trees recover faster for next year.

Treat the trees with a fungicide once this year and then get them on a schedule for treatment for next year. This article is for peaches and nectarines, but the same spray schedule applies to plums:
http://ag.udel.edu/extension/horticulture/pdf/hg/hg-22.pdf

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Asked by Anonymous on July 18, 2015
Damson Tree Shoots in Lawn

Some months ago we had a damson tree cut down in a border, some 4 ft from the lawn. Since then damson tree shoots have been appearing in the grass, increasing in number after every mowing of the lawn. How can we get rid of these shoots and stop them returning?

ANSWERS
Downtoearthdigs
Certified GKH Gardening Expert

Undiluted Round Up will help kill the roots. You will need to wound the roots (normally, people cut the suckers down and use those wounds) and then paint the undiluted Round Up on the wounds. The bigger or more wounds you paint, the better.The roots will suck the Round Up in and it will kill them. You may have to repeat the process a few times to fully kill the roots if the root system is still strong.

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Asked by House on Haycocks on March 27, 2016
Damson Plum

When and how to prune a Damson plum tree?

ANSWERS
Downtoearthdigs
Certified GKH Gardening Expert

Less is more when it comes to pruning a Damson Plum.

All pruning should be done while the tree is dormant; early Spring or late Winter.

Shape the tree and prune away any dead or diseased material.
Remove any suckers as soon as they appear.

Most gardeners want the tree to have one central leader.
Once the tree reaches the desired height you can cut off the trunk just above the top branch. Maintain this height by pruning the top and tallest branches each year.

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