Re: grass(only) killing herbicide

>Hope not offend too much the people on this list who don't like the use
>of chemicals, but . . .
>I have heard of the existence of a herbicide that kills grasses, but not
>other plants.  I don't know what its name is, who makes it, or if it is
>available retail in the US .  ANyone know of such a product?  To relate
>this to Mediterranean plants, I want to selectively eliminate grasses
>(weeds to me) from an area where I have some particularly thorny Puyas
>growing.  I could also see using it selectively in an area where I would
>like to eliminate the present grasses (all non-native as far as I can
>tell), without kiling the herbaceous wildflowers, so I can replant with
>native grasses.

We used to use something called 'Poast' on grass and it didn't effect the
dicots. You had to mix it with a lot of horticultural oil. I haven't used
it since 1993 so I don't know if it is still on the market.
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