London (change) Today 17°C / 8°C Tomorrow 13°C / 6°C 4 messages
08/06/2013 at 21:06  As a new owner of a greenhouse I became
aware that white fly can be a major curse in the G/H. Yellow
sticky fly traps were advised, went to various cheap places;
ended up having to get them from B&Q at £4.98 for 5! If the
greenhouse gets quite hot you have to change them quite
frequently; it starts to get expensive. Online, I found American
recipes for making your own involving stuff we can't get here
(Tanglewood) Another recipe suggested coating yellow card with
petroleum jelly (Vaseline). Has anyone had any success with
this?  08/06/2013 at 21:20  Never been plagued with whitefly in
a greenhouse, outside yes. Those things catch a lot of useful
insects, put it in the bin. Companion planting has done me fine
for the past 10yrs the best deterrent for any unwanted beasties,
organic and friendly too.  08/06/2013 at 21:32  I agree with
marshmello. I get a lot of tiny spiders in the GH which don't
harm the plants but seem to keep