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  1. #1
    Join Date
    Feb 2003
    Location
    lewisberry, Pa, usa
    Posts
    6,081

    Smile bee on crown vetch

    There have been several discussions about bees on crown vetch. Some type vetch's produce nectar, and some don't. I have no idea what kind this is, but a small patch is growing in my garden. I happened to catch this bee working the flowers very hard.

    http://s186.photobucket.com/albums/x...ictures013.jpg

  2. #2
    Join Date
    Jan 2006
    Location
    Monterey, VA
    Posts
    94

    Default

    We have this type of vetch all over the place (where we do not mow) in Western Va. The bees seems to work it sometimes, but not exclusively, and a various times throughout the day. I see other kinds of bees on it also.

    I always called this common vetch, but it seems that Crown Vetch is the actual name, according to the Peterson Wildflowers book.

    Do you have Purple Vetch? The flowers are long, small, and purple, not at all like crown vetch. It also blooms earlier. I see the bees on this also.

  3. #3
    Join Date
    Jan 2014
    Location
    Manassas, Virginia, USA
    Posts
    301

    Default Re: bee on crown vetch

    We have that in eastern WV, and we call it crown vetch. The blooms seem to be around a long time, and the native bees love it. We're hoping the honeybees can make good use of it. My wife hates it but there is no stopping the stuff, and it is abundant. We also have something we call mountain mint that they adore.

  4. #4
    Join Date
    Jul 2013
    Location
    Morro Bay, California, USA
    Posts
    487

    Default Re: bee on crown vetch

    Crown vetch (Coronilla varia) is considered an aggressive noxious, invasive weed in most eastern states. (1)

    Honey bees are generally too light to trip the flower and gain access to the pollen leading to pollination failure. They can obtain nectar. (2)

    Crown vetch contains toxic nitrogen compounds. Though, commercial pollination is reported. (2) The compounds will poison honeybees that do not have access to other sources to dilute the nitroglycosides (3) The cardiac glycosides mean butterfly larvae are preferentially hosted as they use the toxicity as a predation deterrent.

    References
    (1)http://www.in.gov/dnr/files/Crown_vetch.pdf
    (2) http://www.pollinator.ca/canpolin/crown_vetch.html
    (3)http://books.google.com/books?id=lbO...osides&f=false

  5. #5
    Join Date
    Mar 2009
    Location
    Hiltons,Virginia
    Posts
    104

    Default Re: bee on crown vetch

    We have vetch in southwest virginia and bees love it.

    www.poorvalleybeefarm.com

  6. #6
    Join Date
    Apr 2012
    Location
    Gainesboro, Tennessee, USA.
    Posts
    398

    Default Re: bee on crown vetch

    My bees will use it some but I think other flows go on at the same time that are more valuable

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