Reassurance or grim reality, what have you got?

newskye(uk-8b)May 12, 2014

I don't know if this goes on everywhere, but around here the local council sends out trucks and workmen armed with glyphosate to spray the edges of the sidewalks, around poles and around trees, etc. Well, there must have been some drift, or the guy sneezed at the wrong time, or something, because part of my mixed hedge is looking poisoned.

There's an old lilac next to a weigela behind the very small wall (maybe 18") that marks the boundary. The lilac has got chlorotic leaves starting at the bottom, by the wall, and now stretching several feet up. I don't know whether it's likely to sort itself out or if the problem will spread further. The flower buds have all stalled on the whole shrub. As for the weigela, it's defoliated on all the lower branches, and others higher up look shrivelled and deformed. The flowers are dying at least half way up the plant.

I had a guy from the Environmental dept. out this morning and he assured me that glyphosate doesn't affect shrubs. Is this true?

Any thoughts on this? I'm bummed out looking at them.

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hortster(6a, southcentral KS)

First, glyphosate CAN affect shrubs. It can affect (almost) anything it gets sprayed upon. English ivy is one of the exceptions.
Having said that, I have never seen a plant get "chlorotic" from glyphosate, rather, leaves paling or fading out and going brown. But no "chlorotic" symptoms - meaning yellowing of the leaf with greener cells around the veins.
Your weigela sounds more like real glyphosate damage.
It makes sense if the wind perhaps blew drift over the wall on the lilac, but are we talking about "chlorosis" in the same way?

    Bookmark   May 12, 2014 at 6:28PM
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newskye(uk-8b)

I'll get pics up tomorrow. Maybe I'm fuzzy on the word, but the leaves are surely not the right colour.

    Bookmark   May 12, 2014 at 6:43PM
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newskye(uk-8b)

I am so very technologically challenged, but after swearing at my phone for an hour, here is hopefully a picture.

Here is a link that might be useful: Leaves onmy lilac

    Bookmark   May 13, 2014 at 5:40AM
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newskye(uk-8b)

Another pic, this is the hypericum next to the weigela.

Here is a link that might be useful: Hypericum hidcote leaves

    Bookmark   May 13, 2014 at 6:11AM
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newskye(uk-8b)

Sorry to send these out all in separate posts but I'm just glad I worked out how to send them at all!

Here is one of my rugosa roses on the other corner. The leaves are pale and thin, weirdly shaped, and the buds are failing.

Here is a link that might be useful: Rogosa roses

    Bookmark   May 13, 2014 at 6:17AM
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mikebotann(8a SE of Seattle)

They have been hit with a herbicide, that's for sure. I'd have them out for another look.
As mentioned above, glyphosate will harm shrubs if they are sprayed. If he said otherwise, he's not qualified to spray or respond to complaints.
Mike

    Bookmark   May 13, 2014 at 6:54AM
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newskye(uk-8b)

And for what it's worth, here is my poor defoliating weigela.

So, do you think they're doomed? Or do you think they're likely to recover? This is a matter of 4 shrubs plus the rugosa thicket, so another who knows how many there. So it's potentially a very big loss to my hedge. And the lilac has sentimental value.

Here is a link that might be useful: Weigela

    Bookmark   May 13, 2014 at 7:22AM
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davidrt28 (zone 7)

You can kill ivy with Roundup, you just need to add a really powerful surfactant like Induce.

    Bookmark   May 13, 2014 at 10:44AM
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davidrt28 (zone 7)

"As mentioned above, glyphosate will harm shrubs if they are sprayed. If he said otherwise, he's not qualified to spray or respond to complaints."

Agree with Mike. Next time record the conversation with your smartphone and report it to your local consumer advocate.

    Bookmark   May 13, 2014 at 10:47AM
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gardengal48

Generally, herbicide drift on shrubs or other woody plants does not cause permanent damage. It can most certainly stunt or distort foliage or cause it to dry and fall off and it can also abort flowering if buds are present. But the amount of drift is seldom ever sufficient to be translocated into the root system on trees and shrubs and cause systemic damage.

Although they may not look very attractive for awhile and not bloom as expected. most trees and shrubs exposed to herbicide drift recover just fine.

If your Environmental person doubts the responses you have received so far, just have him Google "herbicidal drift on shrubs" and view all those hundreds of images documenting this fact :-))

    Bookmark   May 14, 2014 at 1:32PM
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floral_uk z.8/9 SW UK

Talk to the council and show them your pictures. If they have an arboricultural officer they would be worth talking to also.

BTW the 'lilac' is not a lilac but something else.

    Bookmark   May 14, 2014 at 4:29PM
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newskye(uk-8b)

Thanks gardengal, that's so much what I was hoping to hear!

Floral_uk, why on earth are you disputing that it's a lilac?

    Bookmark   May 14, 2014 at 9:07PM
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floral_uk z.8/9 SW UK

Because it doesn't look like one and I thought you'd like to know. The leaves are entirely different. (And I don't mean the discoloured ones) When you talk to the Council having the correct info and sounding as if you know about plants will carry weight. If you could show some pictures of more of the normal foliage I'll look again. Or possibly something's gone wrong with your photo posting and it's showing the wrong picture. The same picture appears for the Hypericum link. The Weigela and The Rosa rugosa are what they say they are.

    Bookmark   May 15, 2014 at 5:12AM
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samnsarah

Newske, I think your technologically challenged problem got in the way. The pics you posted of the lilac and the Hypericum hidcote are the same pic. just saying...

    Bookmark   May 15, 2014 at 1:54PM
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hortster(6a, southcentral KS)

Maybe a Canadian lilac, Syringa x prestoniae?

    Bookmark   May 15, 2014 at 3:00PM
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floral_uk z.8/9 SW UK

Possibly Syringa x prestoniae but that would be quite unusual here. Only a few specialist nurseries carry it. Another view of healthy leaves would settle it.

    Bookmark   May 15, 2014 at 3:13PM
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