Hi all

On a recent inspection of my cacti in my greenhouse (kept at about 4degrees
min) i have spotted the evidence of fresh red spider mite attack! Help! I
cant water the cacti with insecticide yet as they are still in their 'winter
dry period'.....so how do i stop the mites spreading ?

This is my first year with a greenhouse and i was trying to not use chemical
warfair if possible.......guess that may have to change!

Any help will be gratefully appreciated, i dont want to loose many cacti!

Marie