RE: [Aroid-l] Invasive plants
Ron, I think you are missing my point. Invasiveness is
all subjective. Pistia is a complete menace to natives
in Fl and other warm gulf coast areas, not in New
England, WA, or the Midwest. They cannot be deemed
invasive until trials are done in the areas to be
introduced. What an Oxalis is doing in S. Africa is no
indication what they will do in S. CA. O. pes-capri is
unbelievable here. It is quite colorful when it is
blooming (which doesn't help with idiotic gardeners
who harvest bulbs and trasplant them). But, it still
will displace natives and cause environmental harm as
Tony has pointed out.
Phragmites, while a great commercial crop in Europe
for millenia, has no use here other than to remove
essential habitats for some already unstable environs
I agree that devastating things have been imported.
Scales, ants, etc. but, that is a phtyo concern not a
plant potential concern. It has no relavance to what
is being brought in, only how it is brought in.
I would love the day that some plants become invasive
in any environment. Because of the small minded people
that have set up the phyto and white list requirements
to control all imports until a plant is deemed
acceptable, things that will never be invasive, now
incur unnecessary costs for imports. Things such as
Worsleyas and various colors of Clivia are held up in
customs for longer than necessary. Thus, increasing my
costs due to loss. "A government is best that governs
I think the focus needs to be to address those that
are already here. As examples, pampas grass, kudzu,
Calla lilies, morning glories. Let's get some control
here. Anyone that sells these plants should be
boycotted. Ok, no one sells kudzu but the others are
commonly offered in CA at such mass retailers as Home
Depot. Let me take Morning glories as an example. I
have them voluntarily seeded all over my fence. They
get not one drop of water in the summer. Still they
creep into my pots 20' away and take root, seed
everywhere, and just plain cause havoc. And yet,
everytime someone comes by, they want to buy some. I
give them the whole soapbox speach as to why they will
be damned if they even think of buying them.
I also state that idiotic friends who did not heed my
warning will not even allow me to broach the subject 3
years after they had them removed (and are still
My other position is that you cannot say that all
non-natives are unnecessary. Let's go back to the
vegitables and then also include ornamentals. If you
took everything out of your garden that was not an
original native to your area, your garden (if not
planned with a HUGE bankroll) would be very boring.
There are some gorgeous CA natives that are extremely
garden worthy and I could make a pure native garden
here in SO CA. but, most of the US is not as lucky as
to have them available to them.
So, in conclusion, I think that it should be up to the
individual to make their own decision about
invasiveness. But, anyone who is not well informed
should not risk it. But, as we know, most of the
general public is just plain stupid and don't listen
to those of us who really could help them form making
the mistake of their lives.
I have gone so far as with clients to throw away
plants they have put in or refused to plant them and
force them to return them to the place of purchase for
a complete refund. I also instruct them to scold the
salesperson for selling a weed. I'm sure that they
don't do that but it never hurts to try.
I get very PO'd that I can't get Worsleyas in without
a HUGE hassle because the people at the FL customs/Ag
dept. think they might be invasive and hold them for 2
weeks until they can determine what they are and what
they will do. If Worsleyas ever become a weed, I think
the world can rejoice. I'll write a hymm to celebrate.
John Ingram in L.A., CA.
www.floralarchitecture.com check it out
310.709.1613 (cell, west coast time, please call accordingly. Thank you)
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