Why have my coloured Gladioli all turned white/cream over the years
By Bub55
Glamorgan,
United Kingdom 
very year the flowers are beautiful, but they have lost their colour. The white is how they all are now.
25 Jul, 2009
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Similar problem to roses changing colour - reversion. The colour you bought would have been bred - sometimes with successive flowering, the genetic info alters back to the original, and you end up with whatever that was and not the fancy new hybrid you had in the first place.
25 Jul, 2009