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silver birch
denise butcher
Posts: 133
in Plants
Hi I do hope you can help, we have several fully mature silver birch trees which are dropping hundreds of catkins every day, we have a koi pond and are worried the catkins could do them harm, so my question is How long do they drop catkins and will they harm our beloved koi??? Thank you x
0
Posts
put netting over the pond until it has finished.
we have a water fall around 25 m in length down a bank and the catkins are going down that into the pond so netting wouldn't work unfortunately.
The male catkins drop off, I doubt it takes long for that to happen. They must have been doing that for years. Is the pond new?
In the sticks near Peterborough
we have just moved into this house and the pond isn't new but the koi are, we are worried the catkins might be toxic to the fish?
Try googling silver birch poisonous to fish
http://ezinearticles.com/?Beware-of-Poisonous-Trees-Near-Fish-Ponds&id=2220031
I found this, a different species of birch but I'm sure there's plenty of other info on line especially on Koi keeping sites.
In the sticks near Peterborough
could you form some sort of netting DAM at the lower end of the bank ?
I'm sure as Birch is such a commonly planted tree , if it were poisonous to anything, we'd all be aware of the fact?? e.g. rowan berries??
I had a pond at last house with several mature koi and orfe which we inherited. There were two birches right next to the pond which had been there a long time. There was no problem.
I live in west central Scotland - not where that photo is...
Brilliant ideas from all of you thanks so much and Hostafan I will check that website out right now…Many Thanks x