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brew4you
08-30-2009, 10:23 AM
So my landscaper "weeded" my hops mid season. SOme came back up, rather well, but they have purple flowers. As this is my first year growing the... did the stress turn them male?

Here is a picture.

http://picasaweb.google.com/lh/photo/OLGBY47U-YPq14Z0taRMdg?authkey=Gv1sRgCJPe5dLPpbGv9wE&feat=directlink

porter
08-30-2009, 10:37 AM
I'm pretty sure those are morning glories... Definitely not the right leaf shape for hops. And hops don't have purple flowers.

brew4you
08-30-2009, 11:14 AM
I didn't think so, but I'd love to know how the garden got infested with morning glory's then. It was a new bed with new soil. I've not seen the 'flower' open up either. I have heard about stress turning hops male, but I haven't been able to see what a male hop plant looks like.

liammckenna
08-31-2009, 05:23 AM
Definitely Ipomea spp. (morning glory).

Here's a link to a photo of a male hop flower:

http://en.wikipedia.org/wiki/File:Hop_mannelijke_bloeiwijze_Humulus_lupulus_mal e_plant.jpg

Pax.

Liam

AlexisScarlett
08-31-2009, 08:21 AM
Morning glories can reproduce by underground root systems that are extensive! They can root (like bindweed) from leaves and stems and they bear a ton of seeds that are often scattered by birds
So your "infection" came from existing plants near or under your soil

More pictures of male plant and one of those tranvestite plants in Ali Hamm's presentation Page 55 and 56. The whole workshop might be interesting.
http://www.coopext.colostate.edu/TRA/Hops_2008.html

And you can not weed away an established hop plant. They just keep coming back!