By WHF Trustee Christopher Sanders, VMH It’s well known that some Mexican species and their hybrids such as P. maculatus, P. mexicanus and P. ‘Belle Etoile’ possess a gene for the colour pink, but this is manifested as a more or less basal blotch on the inner surface of the petals, resulting in a central ring of pink orContinue reading “Is a pink-flowered philadelphus a real possibility?”