Posted by Bob F on February 20, 2010, 8:24 pm
david wrote:
> On 2/19/2010 10:34 AM, John McGaw wrote:
>> After many attempts at eradicating it I've determined that the
>> English Ivy (which is attempting to swallow the wooded area in front
>> of my house and acting like kudzu) is pretty much immune to Roundup,
>> even when mixed to the "brush killer" strength. The waxy cuticle on
>> the leaves seems to prevent them from taking up the glyphosate and
>> even adding a wetting agent to the spray doesn't seem to make it
>> work much better.
> I've had luck mowing (string trimmer works quick) the ivy first, then
> applying the roundup to the new growth. The new leaves seem to be
> less "waxy", and are easier to attack.
> Of course, this is a process I have to repeat 3 or 4 times before the
> ivy will actually give up.
I was told once that roundup works much better with the addition of a bit of
bleach, by a "rancher" in Idaho. FWIW.
Posted by David E. Ross on February 19, 2010, 7:06 pm
On 2/19/2010 10:34 AM, John McGaw wrote:
> On 2/18/2010 6:43 PM, JRStern wrote:
>> Are there any ground covers that are compatible with (not killed by)
>> Roundup?
>>
>> We have some bare areas, (idiot) gardner has always just sprayed
>> Roundup there. I didn't even realize that's what he was doing, until
>> recently.
>>
>> So, maybe I can try some ground covers, creeping thyme, red clover,
>> seedum, maybe some mosses. Are any of these more or less compatible
>> with Roundup in between or nearby, or even right on top?
>>
>> Thanx.
>>
>> J.
>>
>
> After many attempts at eradicating it I've determined that the English Ivy
> (which is attempting to swallow the wooded area in front of my house and
> acting like kudzu) is pretty much immune to Roundup, even when mixed to the
> "brush killer" strength. The waxy cuticle on the leaves seems to prevent
> them from taking up the glyphosate and even adding a wetting agent to the
> spray doesn't seem to make it work much better.
I add liquid soap to almost any spray I use. This is an excellent
wetting agent, even on waxy or fuzzy leaves.
--
David E. Ross
Climate: California Mediterranean
Sunset Zone: 21 -- interior Santa Monica Mountains with some ocean
influence (USDA 10a, very close to Sunset Zone 19)
Gardening diary at <http://www.rossde.com/garden/diary>
Posted by Phisherman on February 22, 2010, 3:05 pm
wrote:
>Are there any ground covers that are compatible with (not killed by)
>Roundup?
Established poison ivy is a tough one to kill. Mushrooms might work
too. Not living, but there are various mulches you can use.
>We have some bare areas, (idiot) gardner has always just sprayed
>Roundup there. I didn't even realize that's what he was doing, until
>recently.
>So, maybe I can try some ground covers, creeping thyme, red clover,
>seedum, maybe some mosses. Are any of these more or less compatible
>with Roundup in between or nearby, or even right on top?
RoundUp, even some overspray, will effect young green living plants.
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>> After many attempts at eradicating it I've determined that the
>> English Ivy (which is attempting to swallow the wooded area in front
>> of my house and acting like kudzu) is pretty much immune to Roundup,
>> even when mixed to the "brush killer" strength. The waxy cuticle on
>> the leaves seems to prevent them from taking up the glyphosate and
>> even adding a wetting agent to the spray doesn't seem to make it
>> work much better.
> I've had luck mowing (string trimmer works quick) the ivy first, then
> applying the roundup to the new growth. The new leaves seem to be
> less "waxy", and are easier to attack.
> Of course, this is a process I have to repeat 3 or 4 times before the
> ivy will actually give up.