By Johnbaits
Hampshire,
United Kingdom 
My Cynaras (Cardoon) become infested by what I think are very small black aphids. Can they be treated and if so with what?
On plant
Cynara cardunculus
28 Jun, 2010
Related photos
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Spritzhenry
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Janey
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Spritzhenry
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Jess
Related products
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Cynara Cardunculus
£9.50 at Burncoose -
Cynara Cardunculus 'Cardy' (Cardoon)
£8.99 at Crocus -
Cynara Cardunculus
£7.99 at Best 4 Plants
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Well - you could try diluted washing up liquid and wash them off, or resort to a bug spray. Each option will need several 'goes'.
28 Jun, 2010