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Learn to recognize this!

20 years ago

As we know, lack of rain does not deter most weeds. This is an annual weed that is currently in seedling form. It is one that you should learn to recognize and destroy! It is common ragweed, Ambrosia artemisiifolia:

{{gwi:826951}}

Gardeners often confuse it with Cosmos sulphureus seedlings:

Ragweed seedlings are easy to pull up when young, so be sure to take care of them early and we can all breathe a little easier come fall.

Comments (12)

  • 20 years ago
    last modified: 11 years ago

    Esh, thanks so much for ID'ing the ragweed seedling, which I have been pulling only because I knew nothing has ever been done to the area where they are. Come up so easily even in dry, dry soil. Much appreciated. Rosie in Sugar Hill

  • 20 years ago
    last modified: 11 years ago

    Esh, thanks a bunch. I certainly would have thought it was cosmos. Of course, I'm one of those gardeners that if I didn't plant it, I'm more than likely going to pull it.

  • 20 years ago
    last modified: 11 years ago

    I wondered what that was. I'll be pulling some out tomorrow!! Thanks!!

  • 20 years ago
    last modified: 11 years ago

    Thanks for posting the picture of ragweed. I've seen this weed before and pulled up a bunch of them, but had no idea what they are. I'll sure be more diligent now that I know. My kids are allergic to ragweed and I didn't even know what it looks like! Thanks Esh and keep up the ID lessons!

  • 20 years ago
    last modified: 11 years ago

    Thank you! I've seen one of these in my butterfly garden, and wondered what it was. It will come up tomorrow!
    Pam

  • 20 years ago
    last modified: 11 years ago

    Didn't know they were ragweed either. Horrible stuff. Been pulling them since we moved here. This year I had scattered various flower seed into a patch I used last year to grow some veggies in. My husband helped me start a larger area, and we didn't incorporate last year's area into it. This area is in the wayback, as we call it, where noone but us ever sees it, and various neighborhood kids who like playing back there. So I had no idea really what kind of seeds I had dumped there, many leftover packets bought in years past and never able to really use, so I had just kinda opened them all up and scattered them across the patch. As stuff comes up, I don't know if it's unwanted weed or flower seed. The ragweed I've been pulling for a few years now, and I was pretty sure but not definate, since the cosmos looked so similar. After the cosmos bloomed, I was able to tell them apart for sure, obviously, but now I know, that the ragweed is fuller, and the cosmos leggier, (the ones I have are anyway) with less equally rounded growth than the ragweed shows. That was last week, and I pulled all the remaining ragweed.

    Anyway, I've been watering my veggies so well, (too well maybe), and it was such a hot weekend, I had been doing the double watering, morning and evening, and I hand water, so it's a chore. The last two days have been cool, cloudy, and promised rain (we never got any), so I've been skipping the watering the last couple days. WHen I went out this morning, the cosmos were really starting to bloom. Each stalk loaded with buds if not blooms.

    SO it's just ironic to find this thread on it and ragweed today, lol.

    Nobody cares about my lame cosmos, I know, but I'm still new to all this, and inclined to get overly excited. Ya'll should have seen me when my dogwood tree I planted a few years ago finally blossomed this spring.

    Another recent exciting event was I had volunteer annuals this year! I had last year two big matching pots of moss rose and some other stuff sitting on the landing of the deck stairs. I stole away one of the pots to plant something else in it this year, oh yeah a houseplant that needed a larger pot, and I left the other pot there. That was way back in early spring. Various weeds had popped up in that pot and I had been ignoring them. Just about a week ago I was walking past the pot, and I noticed one single white moss rose. I looked again, and realized that all the weeds that had been growing there were gone, I don't know how, though I suppose I may have pulled them absently in passing one day and just don't recall having done so. And now, in their place, the pot was full of mostly 1-2" high moss rose sprouts. Only the one had reached the normal 4-5" range and bloomed, but wow that excited me. So now I've been paying more attention, actually watering the pot, and I'm waiting to see what happens. I guess I should thin some of them, alot of them, but they're not really too crowded yet.

    Anyways, echo the thanks for the information. Since my mother in law's long time boyfriend has bad pollen allergies, and already rather hates coming to our house I think, lol, I'll definately clear this one more thoroughly from the yard and the wayback from now on.

  • 18 years ago
    last modified: 11 years ago

    It's that time of year again!

    I don't know what happened to the earlier picture, but here is another one. If you see this in your garden, pull it out!!

    {{gwi:159791}}

  • 18 years ago
    last modified: 11 years ago

    Darn it! I was so sure that this was some great flower that I left two of them to grow. One is over 2 feet tall and the other is about 3.5 feet tall. Looks like I've got my work cut out for me this afternoon!

    Thanks for sharing this great information!

    Diana

  • 18 years ago
    last modified: 11 years ago

    ESH - Good job. You de best!

    Shot

  • 18 years ago
    last modified: 11 years ago

    Funny, because I recently discovered a similar looking weed in my back yard, only to find out that it was actually Poison Hemlock. See link below for a picure. The similar look is obviously before it blooms. I know for sure what it was because my dog ingested it and had to go to the emergency vet when he had all of the symptoms of disorientation, uncoordination, shaking, vomiting, and depression. There was a ton of this growing in the back corner of my yard. Who knew the stuff that killed Socrates commonly grew wild in most states in the US?

    Here is a link that might be useful: {{gwi:826950}}

  • 18 years ago
    last modified: 11 years ago

    The most troublesome plant that I have in my fields and garden is pigweed which are spiny. Some are becoming immune to Roundup.

    Shot

  • 18 years ago
    last modified: 11 years ago

    ESH, think that was the weed that I found in my pea patch this morning. It was over 5 feet tall! I attempted to pull it up - wouldn't budge! Will take my machete next time... show that bad boy who's place this is.....

    Shot

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