Pole vs Hyacinth

kayhhMay 10, 2008

I am planning on growing both and would like to continue collecting seeds for next year. Is there a cross polination issue when growing these two in the same area?


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They will not cross two total different genus Hyacinth bean is genus Lablab Species purpureus vs pole bean phaseolus species vulgarus Rodger

    Bookmark   May 10, 2008 at 10:25PM
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zeedman Zone 5 Wisconsin

I agree with Rodger - there is no danger of crossing between hyacinth beans (which are also very much "pole") & common pole snap beans.

If you have not saved hyacinth bean seed before, be aware that it requires a very long season to mature. They are daylength-sensitive, and will not even bloom until the days approach 12 hours, in September.

    Bookmark   May 11, 2008 at 12:09AM
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Thanks! This is helpful.

I did not personnally save these hyacinth bean seeds, a freind at work collected them from plants she had last year. In September, the days do shorten to about 12 hours in this area, but my freind indicated a longer bloom time. In anycase, I am mostly growing them for the colorful folage. Any flowers will be a bonus.

Thanks again, Kay.

    Bookmark   May 11, 2008 at 2:42PM
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jimster(z7a MA)

Hyacinth beans are very beautiful. I think you will have no trouble getting blooms.


    Bookmark   May 11, 2008 at 4:03PM
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I'm wondering are the Wang Kong beans a Hyacinth bean?

    Bookmark   May 12, 2008 at 10:47AM
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zeedman Zone 5 Wisconsin

"I'm wondering are the Wang Kong beans a Hyacinth bean?"

No. They are a runner bean (Phaseolus coccineus)... so you could grow them, the hyacinths, and the common pole beans (I'm assuming that they are snap beans) without crossing.

Competition, however, is another matter. Hyacinth beans are very rampant vines, so if planted next to the snaps & runners, they might overrun them. If grown on a trellis, I recommend giving them some space, 2 feet or more if possible.

    Bookmark   May 12, 2008 at 8:31PM
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