Petunia exserta cross pollination.

ponyexpress_1August 17, 2013

Hello all. I have a petunia exserta that is about to bloom and I had read that having a Petunia axillaris nearby would cause offspring to be pink. I have many petunia volunteers nearby and was wondering if it will cross pollinate with any Petunia? I'm not sure the variety of the volunteers, they are mostly purple. I want to keep these what they are, Petunia exserta. Do I need to move them? If so, how far away would you recommend? Thanks, Susan

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rhizo_1 (North AL) zone 7

You wouldn't be able to move your petunia far enough! Think about it...how far can the pollinators fly? They don't stop at the perimeter of your yard!

If you are dedicated to collecting seed from your own plant, you will have to exclude your plant from all pollinators and do the pollen swapping yourself with a small brush or cotton swab. I've seen people build little 'cages' covered with tulle netting.

If you hate the idea of keeping the hummers (and others) away, you could simply take cuttings OR locate seeds elsewhere. They aren't difficult to find.

    Bookmark   August 20, 2013 at 4:11PM
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