Holes in privet leaves
Hi there, I found a picture online from Gardeners world that shows the issues with parts of my privet hedge but get page 404 when I click on it to find a resolution. Can anyone please point me in the right direction to sort it.
https://www.bing.com/images/search?view=detailV2&ccid=zrR4oyUV&id=E820D259416AB1F661E0F66A6DFC44C0291D076D&thid=OIP.zrR4oyUVBGaI25VJLbp2jQHaFj&mediaurl=https://us.v-cdn.net/6030279/uploads/ForumPostImages/828b75df-1a0b-4af3-a043-4ec78d29075c.jpg&cdnurl=https://th.bing.com/th/id/R.ceb478a32515046688db95492dba768d?rik=bQcdKcBE%2fG1q9g&pid=ImgRaw&r=0&exph=2448&expw=3264&q=privet+hedge+hols+inleaves&form=IRPRST&ck=11E3315F404D49EC08257A727B0CE3CD&selectedindex=0&ajaxhist=0&ajaxserp=0&vt=0&pivotparams=insightsToken=ccid_ISxY4c%2Fg*cp_C3CB9342C3534C459348A5FA649E1106*mid_2A4979BB8846AC5D1FE9D6095022A0DEF6FEDFA2*simid_608052727974935032*thid_OIP.ISxY4c!_gURO1yB9M9qi-oAHaFj&sim=11&iss=VSI&ajaxhist=0&ajaxserp=0

https://www.bing.com/images/search?view=detailV2&ccid=zrR4oyUV&id=E820D259416AB1F661E0F66A6DFC44C0291D076D&thid=OIP.zrR4oyUVBGaI25VJLbp2jQHaFj&mediaurl=https://us.v-cdn.net/6030279/uploads/ForumPostImages/828b75df-1a0b-4af3-a043-4ec78d29075c.jpg&cdnurl=https://th.bing.com/th/id/R.ceb478a32515046688db95492dba768d?rik=bQcdKcBE%2fG1q9g&pid=ImgRaw&r=0&exph=2448&expw=3264&q=privet+hedge+hols+inleaves&form=IRPRST&ck=11E3315F404D49EC08257A727B0CE3CD&selectedindex=0&ajaxhist=0&ajaxserp=0&vt=0&pivotparams=insightsToken=ccid_ISxY4c%2Fg*cp_C3CB9342C3534C459348A5FA649E1106*mid_2A4979BB8846AC5D1FE9D6095022A0DEF6FEDFA2*simid_608052727974935032*thid_OIP.ISxY4c!_gURO1yB9M9qi-oAHaFj&sim=11&iss=VSI&ajaxhist=0&ajaxserp=0
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some info here
https://www.rhs.org.uk/advice/profile?PID=556
I live in west central Scotland - not where that photo is...
Soapy water will have no effect. The adults make those notches, and grubs eat roots, but on something like a privet hedge, they're unlikely to cause any serious damage. It's largely aesthetic, and regular trimming will keep the hedge in decent condition. Privet likes a lot of moisture to be at it's best, so if it's very dry, giving the hedge a good haircut, removing the clippings, and tidying round the base, followed by a good watering, will help. You can also add a mulch of compost or leaf mould or similar to help preserve moisture. That's particularly useful in spring.
The other alternative is to use nematodes. It really depends on whether the damage is extensive, and is affecting other planting too. It can be a very expensive method for a hedge.
I live in west central Scotland - not where that photo is...