Re: Re: OT-CHAT: Invasive Plant regulations

On 3/21/02 1:33 PM, "Racheal Nekuda" <lilylvr@kansas.net> wrote:

> Hi all,
> Trumpet vine is a really big problem here. Once it is here it is harder than
> poison ivy to kill and devasting to gardens. Where some other things can be
> controlled by mowing it cannot and leaves sharp sticks in the lawn that can
> not be pulled up. Roundup does not seem to effect it much. It is the top of my
> plant pest list. 
> Wendy

At least two of the plants mentioned in this thread so far, including
trumpet vine, are natives.  Do not invasive plant regulations apply only to
imported (non-native) plants?

Many native plants can become invasive weeds if their normal habitat is the
colonization of disturbed areas--like gardens.  Trumpet vine is a problem
here along fence lines and at the edges of woods.  In deep woods one finds a
few mature vines up to 6 inches in diameter, with their foliage up in the
treetops.  This happens mostly in pines--deciduous trees have crowns that
are leafy enough to shade out the trumpet vine.

Persistant destruction of above-ground shoots eventually kills the roots.
However, underground runners can travel surprising distances.  The seeds
float in the air and new plants can appear far away from the source.  At
least the trumpet vine has attractive flowers that are great for
hummingbirds.

By the way, another native vine in this family (Bignoniaceae) that is very
nice for gardens (and much less invasive) is Crossvine.  It has evergreen
foliage and huge masses of large, yellow trumpet-shaped flowers with purple
throats.

Bill Shear


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