I know that lots of horse chestnut trees in England are suffering from various diseases - the bacterial Pseudomonas syringae pv aesculi infection, which gives them great sticky lesions on their trunks, and can be very serious, and the leaf-mining moth, or Cameraria ohridella, which basically just chews their leaves, and makes them a bit sickly since they can't absorb as many nutrients (and hence, of course, are more vulnerable to the more serious canker). But these - just outside Wimbledon's main Waitrose - are startlingly healthy, it seems. And they are so extraordinary at this time of the year. If the sun would come out, one could believe it to be spring.
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