Last year I carefully saved the seeds from a bright red hollyhock that appeared in our yard for the first time. I'm not sure what the genetics of hollyhock color is, but it must be more complex than that of Mendel's pea flowers as i see new color combinations pop up all the time.
None of them came up in the places I scattered seeds. Instead, they came up in the gravel part of the yard where they were lucky not to get sprayed with Roundup in their infancy. Sometimes being a lazy gardener has its advantages.
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