By Suedeadman
United Kingdom 
we have blackberry invading our garden but cant find the source best way of eradicating?
2 Jun, 2012
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« My Delphiniums are growing well, but they don't have flowers all the way up...
Paint the leaves with a systemic weedkiller. And you will need to repeat the treatment a few times for it to work.
2 Jun, 2012