"Christina Cameron" wrote
Does anyone have a good formula for citrus compost ? I have read that John
Innes No3 is appropriate but a large Poncirus Trifoliata "Flying Dragon" I
bought last year came potted in a very coarse peat compost. Also, can I
use universal liquid "phostrogen" type feeds or do I need to use the
expensive specialised stuff?

I use a normal ericaceous compost with bark chippings*(as used for orchid
composts) to increase drainage. 4 to 1.
* these are NOT the half rotted chipped bark available at Garden Centres.

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Regards
Bob
In Runnymede, 17 miles West of London