Bush Rummager 4,764 Posted October 16, 2011 Report Share Posted October 16, 2011 Right then one for the gardeners on here! I've got a fair stretch of conifers , golden Lelandi, on the back garden and they seem be to dying over the last few years... brown patches spreading all over them, done some searching on the net and not managed to get a decicive answer.... wind burn.... seeming to be a popular answer, spider mites also seem to getting the blame in some cases and i do have the small webs on the conifer associated with them, applied some of this during the summer out of desperation... http://spidermitecontrol.com/... but weeks later the webs are still here! I've noticed lots of conifers in my area all suffering the same problem.... so if anyone can help i would really appreciate it! quick pic..... Quote Link to post Share on other sites
Ossie 11 Posted October 16, 2011 Report Share Posted October 16, 2011 probably just down to the extended periods of no rain. either that or your neighbour doesn't like them, and is pissing up the other side of the hedge... Quote Link to post Share on other sites
Bush Rummager 4,764 Posted October 16, 2011 Author Report Share Posted October 16, 2011 probably just down to the extended periods of no rain. either that or your neighbour doesn't like them, and is pissing up the other side of the hedge... Well i've been thinking along the same lines mate as reguards drought, and been leaving the hose running under them quite often to say the least through the summer.... as reguards the neighbour.. i'm going to have to rule that one out my friend seing as shes 87 years old and been wheelchair bound for the last 20 odd year.. unless shes slinging her colostomy bag down there...... :hmm: Quote Link to post Share on other sites
Ossie 11 Posted October 16, 2011 Report Share Posted October 16, 2011 unless shes slinging her colostomy bag down there...... :hmm: oh dear, that made me chuckle! ok, just did a quick google for you, i figure the RHS site will be the best bet for a likely explanation: http://apps.rhs.org.uk/advicesearch/Profile.aspx?pid=132 Quote Link to post Share on other sites
bullshot 5 Posted October 16, 2011 Report Share Posted October 16, 2011 I heard on the local radio that there is some sort of disease attacking leylandii I cant remember what its called. Quote Link to post Share on other sites
skycat 6,173 Posted October 16, 2011 Report Share Posted October 16, 2011 Despite the drought we've hardly watered our hedge at all this summer. They hate having to sit in water logged ground. I think it is important to remember that leylandii are actually trees, and don't grow back the same as small shrubs etc. Trimming to form a really tight hedge will ultimately kill off branches: this is what I was told by a tree surgeon: t'isn't natural for leylandii to be treated like a hedging bush. Quote Link to post Share on other sites
scothunter 12,609 Posted October 16, 2011 Report Share Posted October 16, 2011 neem oil will get rid of the spider mite mate get them myself on my plants on the odd occasion Quote Link to post Share on other sites
Bush Rummager 4,764 Posted October 16, 2011 Author Report Share Posted October 16, 2011 Thanks the replys folks, a good link that Ossie, i'll have a proper read through that later , i am leaning towards spider mites being the cause of the problem but it seems like they are fairly safe from contact sprays when burried deep in a thick hedge, might give these spider mite predators a try next year when the weather warms up.. http://www.homehydro.co.uk/index.php/spider-mite-predators.html?___store=default A good point there aswell Skycat, looking back, think i have been a tad overenthusiastic with the trimmimg! Quote Link to post Share on other sites
christian71 3,187 Posted October 16, 2011 Report Share Posted October 16, 2011 That frost over the winter wont of helped Quote Link to post Share on other sites
gnipper 6,519 Posted October 16, 2011 Report Share Posted October 16, 2011 It looks to me like its not enjoyed being cut back so hard. Quote Link to post Share on other sites
Chid 6,583 Posted October 16, 2011 Report Share Posted October 16, 2011 i agree with gnipper ...not because i know any thing about trees........ but the neighbours up the road from me had theres trimmed right back and thats how theres have gone Quote Link to post Share on other sites
tiny tim 22 Posted October 16, 2011 Report Share Posted October 16, 2011 cuttting them back too hard Quote Link to post Share on other sites
Guest cookiemonsterandmerlin Posted October 16, 2011 Report Share Posted October 16, 2011 If you trim them late in the season you will get a flush of new growth and soon as you get a windchill it burns the new growth trim late august so to allow new growth to become hardy. Cheers Cookie Quote Link to post Share on other sites
kevin em 342 Posted October 16, 2011 Report Share Posted October 16, 2011 frost has killed lots of mature hedges over here including lelandii Quote Link to post Share on other sites
Bush Rummager 4,764 Posted October 16, 2011 Author Report Share Posted October 16, 2011 Cheers folks, think i'll give the trimming a total miss next year then, just hoping for new growth to show next year. Quote Link to post Share on other sites
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