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Jan 8, 2014 8:12 AM CST
|On page 39 of the Richter Herb catalogue the claim is made that this Mexican Marigold will fight weeds?|
Has anyone grown it and what do you think of the claims?
It is tempting!
Jan 8, 2014 9:47 AM CST
|Oh my gosh, it it could really be true! I may have to experiment this year.|
Jan 8, 2014 10:28 AM CST
|It has been said that this plant can be an effective weed, and nematode control when used as a cover crop. Having said that though, there are some agencies that do list this as a noxious/invasive weed. As for "fighting" weeds…I'd be interested in knowing how they came about this assumption…Maybe it would "take over" an area ( thus being noxious/invasive on it's own ) and crowd out 'other' weeds. Maybe ones persons 'weeds' is another persons 'ground cover'.|
Jan 8, 2014 10:40 AM CST
|I was thinking that perhaps it gives off some root exudate which is toxic to some other plants?|
I am skeptical , but might try it once.
Jan 25, 2014 3:56 PM CST
|According to the Horizon Herbs catalogue:|
it gives off thiohene by its roots.
Feb 19, 2014 5:35 PM CST
|From what I can find, the Marigolds would have to be planted as a cover crop to do much good against nematodes, and planted densely to prevent weeds. So it does not sound practical as a method to be used in the garden, except in places where they could be grown as a cover crop when not growing other things. |
I have tried planting regular Marigolds for insect prevention, just spaced out among my tomatoes etc. I could never tell they did any good, however, I still plant them among my vegetables and other plants, just because I like Marigolds. Not that familiar with the Mexican Marigolds, I did see it was listed as medicinal weed.
Feb 20, 2014 3:44 AM CST
|Yes, I am going with the ordinary garden variety of marigolds.|
I do like the flowers on the other marigold which is called Mexican marigold also.
Marigold Cempitrichi? It has ridges on the end of the petals and is a more single flower.