Pacific Northwest Garden Forum: Bean cross pollination

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slugnemesis
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Joined: May-30-2008
Location: Oregon, Greater Portland Metro
Posts: 18

Topic: Bean cross pollination
Posted: Jun-21-2008 at 9:50pm

I have 3 varieties of green bean planted in a row. I'd like to save seeds for next year, but I'm wondering if they will cross pollinate with each other? Two of them are heirloom varieties (Red Noodle and Purple Queen), the third is Kentucy Wonder.

Thanks for the help.

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silver_ creek
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Joined: Jan-08-2006
Location: Washington, Western Cascade Foothills
Posts: 653

Posted: Jun-22-2008 at 6:51am

According to my readings, beans don't easily cross, and I have saved seed from varieties planted near each other, and the seed came true the following year. Some sources also say separating the beans a short distance will help keep the seed true, but mine were pole beans growing on the same tripod.

Terry M.
Silver Creek Garden
Zone 8a, Sunset Zone 4

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slugnemesis
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Joined: May-30-2008
Location: Oregon, Greater Portland Metro
Posts: 18

Posted: Jun-23-2008 at 10:15am

Thanks for the reply Silver. I did some further reading myself and found that beans can cross pollinate, but it is very unlikely so I think I'll try saving seed this fall.

SN

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gary
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Joined: Jul-26-2003
Location: Washington, Puget Sound Corridor
Posts: 793

Posted: Jun-29-2008 at 8:21am

Now I can plant my beans!

Had my first 70F maximum soil temp yesterday. That is the maximum last night at 4" of depth.

Last year I reached that point a month ago and in 2006 I had a minimum temp of 70F (@ 8 AM) by this time in June.

Actually my delay is more related to my day care job but it will be interesting to see how mine do versus friends that got germination on that warm weekend in May (I did have a 67F max soil temp that week.) Those beans have gone anywhere yet and some even lost theirs to frost.

Almost a dozen years ago, Trav was in the timing same position. It's not to late as he relates in his Vegetable Garden Timetable:

"A word about pole beans: Last year (1997) I procrastinated and didn't get them in the ground until July 7th. With the warm soil they shot up and grew amazingly fast, so I got a ton of beans in September. It's better to get them started in June of course, but it's still not too late!".

You can read Trav's timetable at:

"Vegetable Garden Timetable"

Edited by gary - Jun-29-2008 at 8:24am

Gary
Olympia
Sunset Zone 5, USDA Zone 8

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Author	Message
slugnemesis none Joined: May-30-2008 Location: Oregon, Greater Portland Metro Posts: 18	Topic: Bean cross pollination Posted: Jun-21-2008 at 9:50pm
	I have 3 varieties of green bean planted in a row. I'd like to save seeds for next year, but I'm wondering if they will cross pollinate with each other? Two of them are heirloom varieties (Red Noodle and Purple Queen), the third is Kentucy Wonder. Thanks for the help.

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silver_ creek none Joined: Jan-08-2006 Location: Washington, Western Cascade Foothills Posts: 653	Posted: Jun-22-2008 at 6:51am
	According to my readings, beans don't easily cross, and I have saved seed from varieties planted near each other, and the seed came true the following year. Some sources also say separating the beans a short distance will help keep the seed true, but mine were pole beans growing on the same tripod.
	Terry M. Silver Creek Garden Zone 8a, Sunset Zone 4
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slugnemesis none Joined: May-30-2008 Location: Oregon, Greater Portland Metro Posts: 18	Posted: Jun-23-2008 at 10:15am
	Thanks for the reply Silver. I did some further reading myself and found that beans can cross pollinate, but it is very unlikely so I think I'll try saving seed this fall. SN
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gary none Joined: Jul-26-2003 Location: Washington, Puget Sound Corridor Posts: 793	Posted: Jun-29-2008 at 8:21am
	Now I can plant my beans! Had my first 70F maximum soil temp yesterday. That is the maximum last night at 4" of depth. Last year I reached that point a month ago and in 2006 I had a minimum temp of 70F (@ 8 AM) by this time in June. Actually my delay is more related to my day care job but it will be interesting to see how mine do versus friends that got germination on that warm weekend in May (I did have a 67F max soil temp that week.) Those beans have gone anywhere yet and some even lost theirs to frost. Almost a dozen years ago, Trav was in the timing same position. It's not to late as he relates in his Vegetable Garden Timetable: "A word about pole beans: Last year (1997) I procrastinated and didn't get them in the ground until July 7th. With the warm soil they shot up and grew amazingly fast, so I got a ton of beans in September. It's better to get them started in June of course, but it's still not too late!". You can read Trav's timetable at: "Vegetable Garden Timetable" Edited by gary - Jun-29-2008 at 8:24am
	Gary Olympia Sunset Zone 5, USDA Zone 8
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Topic: Bean cross pollination( Topic Closed)