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anyone here have experience with (wild) morning glories? this year the pinks are overwhelming the purples by a lot, but last year it was mostly purple. is this a genetic variation or are the different colors here coming from different soil pH? I tried to trace back the purples to see if they came off the same vines as the pinks, but it's a mess.
regardless, I tagged the purple ones for future seed harvest in the hope that they self-pollinate even though they're surrounded.