Has anyone found a good liverwort killer in the U.S.? I used to have a nice
moss garden until the liverwort started taking over.
I ended up hoeing it all, but the liverwort keeps popping up. I've been
spraying vineagar but I'm not sure if it works all the time.
During the dry summers, the liverwort dies off but then comes back during
our wet winters (Northern California).
how large a space are you talking
about? if it isn't that large i'd go
non-chemical. if i didn't want to
disturb the soil i use scissors to
repeatedly top the plants off before
they can grow much and send energy
to the roots. this means at least
once or twice a week sitting down on
a comfy cushion and clipping away.
it's actually very pleasant way to
spend some time listening to the
birds and the wind chimes.
the chemical version of not disturbing
the soil and keeping the surrounding
plants intact would mean sitting down
with some glyphosate and painting the
leaves of the plants i wanted to remove
with a small spongy paintbrush. i would
do it only when it wasn't about to rain
and i would not walk on plants i've already
painted (because that will spread the
weed killer around from your shoes). it
may take several applications for some
plants, but wait a week or two between
applications because it doesn't do much
when it is dry or when the plants aren't
since you've hoed the soil is already
disturbed -- i'd find no reason not to turn
it at this point.
dig as deep as you can to get all the
roots at once, one clump at a time. turn
it over on top and break that clump up
using a four pronged rake or whatever
works. you just want to get the roots
out of the dirt and exposed to the air
so they dry out.
i rake the exposed roots up into a pile
and throw them on top of the compost pile.
usually they get dried out by the sun and
air before i throw more stuff on there.
after that i keep an eye on the area for
spots that i've missed and turn those up
again and take those roots out. in the
meantime i've replanted with something i
do want to grow there (to keep other
opportunistic plants from moving in).
i'm doing this for an area taken over
by horsetail and it requires some patience
and persistence, but i don't want to
spray that area with chemicals (or paint
them on the horsetail) because i hope to
grow beans there this year.
good luck! :)
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