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By Bernard

Cambridgeshire, United Kingdom Gb

Campanula conundrum.
Last year we had lovely blue Campanulas (don't they shine out beautifully in the woodland shade). This year they've appeared but not far away there has arrived a white one! No idea where from or whether it is a blue one that has decided to change colour, rather like the aquilegias do. Could anyone clarify the lifestyle of the campanula and throw some light on this?

Campnula_3a Campanula_persicifolia_peach_leaved_bellflower_white_10_06_2011



Its probably for the same reason that yellow Welsh poppies sometimes sire orange seedlings and black cats can have tabby kittens.(And same with aquilegias as you say) It depends on the genetic makeup of the plant and also that of the pollinator. I like the white ones don't you?

10 Jun, 2011


It's probably a seedling. While most campanulas are blue, most have a white-flowered version as well (and even rarely a pink form)

10 Jun, 2011


Albino flowers--white instead of blue, pink or yellow--is the most common mutation affecting flower color. The biochemistry of flower color is so complex, any of a number of mutations could disrupt the chain of reactions leading to flower pigment. And, of course, a flower without pigment is a white flower.

10 Jun, 2011


This one is specifically Campanula percicifolia and it does frequently have white flowered forms.

11 Jun, 2011


Thanks every one, much obliged for the information. There's nothing simple about gardening is there, but that's what makes it so interesting.

11 Jun, 2011

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