Ask a Question forum→Purple Hyacinth bean vine

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Name: Tracy Redmond
Marrero Louisiana (Zone 8a)
May 12, 2018 7:59 AM CST
Someone gave me many seed pods for Purple Hyancinth bean vine. Thinking that not all would seed, I threw them Everywhere!! All around every fence, in many of my potted plants and I think that every single pod has seeded, so now I am having to run around transplanting out of my potted plants. If I leave the hundreds growing along my fence lines will they take over or are they easy to control? These seeds are insane! I planted them barely 3 weeks ago and many are already 40 inches long, Incredible!
[Last edited by Stbtracy1970 - May 13, 2018 3:56 AM (+)]
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Name: Anne
Summerville, SC (Zone 8a)
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May 12, 2018 6:23 PM CST
Hi Tracy and welcome to NGA!

You have a potential serious problem considering your zone 8 since these vines do produce a great deal of seeds and will reseed themselves every year. Your best bet is to 'nip it in the bud' before it gets out of hand - that is, make it a point to start culling these vines on a daily basis before they start flowering until you are left with just a few vines here and there and remove any pods forming you see on what's left after they flower.

These vines are potentially hardy and won't be killed by light frosts if you have a warm Winter. In this case, I'd say weed killer is your friend.
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[Last edited by Xeramtheum - May 12, 2018 6:33 PM (+)]
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Name: Christine
NY zone 5a
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May 13, 2018 8:06 AM CST
It is on the list of poisonous plants for dogs, this list is a huge help for all gardeners with pets.

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