My gravel yard is getting overrun with a weed (quick download photo link
http://home.earthlink.net/~stock_valuation/Weed.htm ) .
I live in central Colorado, semi-arid climate. Can anybody name this weed,
and perhaps suggest a good herbicide? Roundup doesn't hurt it much.
I have some recently planted shrubs and trees - how do I avoid harming them
when using weed killer?
: My gravel yard is getting overrun with a weed (quick download photo link
: http://home.earthlink.net/~stock_valuation/Weed.htm ) .
: I live in central Colorado, semi-arid climate. Can anybody name this weed,
: and perhaps suggest a good herbicide? Roundup doesn't hurt it much.
: I have some recently planted shrubs and trees - how do I avoid harming them
: when using weed killer?
At a guess, this looks like an Artemisia of some kind. AKA sagebrush,
sagewort, wormwood, etc. Is the stem woody? Are leaves a bit felty and
give off a pungent odor when crushed?
If you go to the USDA Plants Database advanced search, you can narrow it
down by state and genus:
An easier solution is to take a sample in to your local Extension office
for ID. They should also be able to give you suggestions on how to get
rid of it.
Roundup won't do much unless the plant absorbs it. Plants with waxy or
felty leaves can be a challenge, even for Roundup. Try mowing it first or
using a brushcutter to damage the leaves, then use Roundup or brush killer
As for how to avoid harming other plants when using weed killer, you don't
mention which kind, granular or spray. If you're using Roundup, you may
want to use the kind that applies as a foam. Any drift on a windy day
will damage or kill any plant.
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Looks like Colorado Wild Sage. If you break some off and rub it betwee your
fingers it will smell a bit like sage also if that's what it is. If memory
serves, this is a flowering variety that doesn't look half bad really. The
best way to get rid of it is to dig/pull it out root and all because that
stuff grows like crabgrass!
For herbicide, Weed-B-Gone will take care of it, but it will take a couple
of applications and you won't notice any difference for a week to ten days.
WBG should not be used around new plants, as it WILL harm them, but will
not harm your yard. Just get the right kind for lawns. I mix it in a
Miracle Grow sprayer.
For a driveway, it doesn't matter what kind of weed it is. Just use
Triox, which will not only kill it, but keep anything else from
growing for an entire season. The only limitation is, you can't apply
Triox over the root zone of any desirable plants.
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