How do I stop bindweed taking over?

QCAN you recommend a spray to kill the growth of ivy and bindweed which are growing under my laurel hedge? They are taking over at a fast rate and I would appreciate your advice. P Leahy, by email

AIVY is best chopped out from under a hedge with a spade. Its roots are weak. Chemical products could damage the hedge, but glyphosate-based spray can be carefully brushed on to bindweed leaves. The active substance is taken down to the roots. This product doesn’t work so well on ivy, so removal by hand is best.