Thanks Martin for your info - but pots are teracota ones, and whenever I
water, it seems draining very well, as any excess falls into the sourcer
very quick.

Dan



"Martin Sykes" wrote in message
...
"DLee" wrote in message
...

The 'green stuff' sounds like liverwort or something similar so you may be
overwatering a bit but the easiest way to prevent it is to put a layer of
decorative stone as a mulch. It will keep the light out. Also, your trees
would probably benefit from spending the summer outside.

As for the smell - are your pots in trays to catch excess water, or are
they
watertight themselves? If the latter, the water can stagnate at the bottom
of the pot and really stink. You would do better to drill some drainage
holes and sit them on trays so that the water won't sit around and go
stagnant and you can tell when the're waterlogged.

--
Martin & Anna Sykes
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http://www.users.globalnet.co.uk/~sykesm