CULT: use of pre-emergent herbicides

Greetings, fellow earth lovers!

I'm working with a committee that's been charged with shaping up a public
garden of TBs. This is a very high-profile garden, seen by many visitors,
and unfortunately it is a mess of weeds. We hand-weed the heck out of it
and in two weeks, the weeds have taken over again. Solarization is not
practical in this particular setting. We are not a large committee, and we
don't have time to weed this garden weekly, which is what it needs in our
fertile conditions.

The groundskeeper has begged us to apply PREEN, the pre-emergent herbicide.
He uses it around the facility's rose beds and they look great.

I would not use a pre-emergent in my own garden because I'd rather not add
to the chemical cocktail brewing in our yards thanks to multiple
applications of this and that, fertilizers, pesticides, herbicides - all of
them "safe when used correctly" and yet the neighborhood population of
frogs and toads has all but vanished. But *this* is public garden we're
talking about, not my yard. Public gardens can't look tacky.

Have any of you used PREEN? Do you recommend it? Does it cause any
weirdness in the TBs?

celia
storey@aristotle.net
Little Rock, Arkansas
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