weird but wonderful
In a batch of 300 seedlings of Dianthus amurensis 'Siberian Blues' up popped two plants with pure white flowers. They have proven hardy in my garden (Outer Banks, coastal NC, Zone 8) for two years now. Anybody ever heard of a white variant of D. amurensis?
Here is a link that might be useful: White-flowered form of Dianthus amurensis