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Old 12-01-2011, 12:03 PM
kay kay is offline
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First recorded activity by GardenBanter: Apr 2010
Posts: 1,792
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Quote:
Originally Posted by Rod[_5_] View Post

My experience is that C. coum naturalises significantly better than C.
hederifolium.
My experience is the opposite - C coum dwindles away whereas C hederifolium seeds itself happily and gets bigger every year. I think it's because my classic "bare ground under tree", while dry most of the time, gets flooded to a depth of 6 inches about 6 times a year, and I think C coum is less tolerant of the occasional drowning.
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