I find that the tendency is for darker bulbs and corms to produce darker flowers - eg. deep chestnut-coloured tulip bulbs are more likely to produce deep red tulips than paler ones - but there's no guarantee as far as I know.
However, if I wanted deep purple crocuses mainly in one area, I'd plant the darker corms there and cross my fingers.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
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I find that the tendency is for darker bulbs and corms to produce darker flowers - eg. deep chestnut-coloured tulip bulbs are more likely to produce deep red tulips than paler ones - but there's no guarantee as far as I know.
However, if I wanted deep purple crocuses mainly in one area, I'd plant the darker corms there and cross my fingers.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
Sounds reasonable dove. . Thanks
I tend to sort mixed tulips the same way. It doesn't always work though, so for pots I buy single colours.