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cotoneaster

We have a row of alternating hazel holly and cotoneaster about 25 trees long at the side of our property. When we moved in 2 years ago, to an untrained eye, they all looked overgrown but healthy. This year I've noticed that there are red leaves on one of the very large cotoneaster, which have been falling for month or so now. The rest of the tree looks OK, but I am concerned as it is an evergreen variety. I'm hoping that it's just getting rid of the old leaves to prepare for summer, but worried that it has fireblight. Anyone have any advice please. The tree is established, and we guess about 20-25 yrs old. The trees are very close together and it is impossible to get proper access to it as it is also about 15 ft tall. It has been pruned and tidied up for the last two years. Thanks

Posts

  • nutcutletnutcutlet PeterboroughPosts: 26,364

    That's Ok plantpotter, evergreens have to drop the old leaves sometimes. My Cotoneaster lacteus is at it right now. 

  • BookertooBookertoo Posts: 1,306

    Poor thing is probably cold, like the rest of us.  They do get red leaves when under any kind of stress, it does them no harm.  It will steadily drop leaves all year being an evergreen, you are noticing it now because the leaves are red.  Unless the whole plant goes red and/or bare, it is OK - otherwise I would look for a pest or a deficiency in the soil. 

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