Help identifying weed!

Derek597February 9, 2013

Hi - The image below shows a plant that began growing on bare dirt patches in my yard shortly after we ripped the lawn out this past November. It has really begun growing in the last couple months. It seems to like the rainy conditions and doesn't mind the cold. We are in zone 20-ish just outside the San Fernando Valley part of Los Angeles. It is growing to about 2-3 inches deep and spreading. Any thoughts on what this is would be appreciated!

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I should specify Sunset Zone 20, USDA zone 10. Thanks again.

    Bookmark   February 9, 2013 at 7:29PM
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catkim(San Diego 10/24)

My guess is scarlet pimpernel. Pull it out before it goes to seed.

    Bookmark   February 9, 2013 at 10:17PM
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hoovb zone 9 sunset 23

Yes scarlet pimpernel aka Anagallis arvensis.

There's a beautiful ornamental Anagallis of a different species, Anagallis monellii, aka Blue pimpernel. Much less vigorous, but prettier, and not weedy.

Here is a link that might be useful: Anagallis arvensis

    Bookmark   February 10, 2013 at 12:17AM
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Thanks very much. Looks like I've got my work cut out for me.

    Bookmark   February 11, 2013 at 10:51PM
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tropical_thought(San Francisco)

Scarlet pimpernel has orange flowers and it hard to get rid of, in fact, I don't know how it keeps coming back. I never let it make flowers.

    Bookmark   February 15, 2013 at 11:02AM
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janea(z9-Sunset 14)

This plant produces the little round ball stickers which I'm continually pulling out of my dogs' coats. When I first moved here I thought the small salmon colored flowers were very pretty. Little did I know!

    Bookmark   February 16, 2013 at 12:47PM
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I'm going to have to hire a full time gardener to manage this run away train of scarlet pimpernel aka Anagallis arvensis. I spent two hours yesterday cutting and pulling them out and swear this morning I see some already sprouting up again.

    Bookmark   March 18, 2013 at 11:12AM
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