Answer: Matilde Ferrier' is often sold as ?Double Yellow? and is the most commonly available yellow flowered oleander. The light yellow double flowered variety, 'Luteum Plenum' is another favorite so that's probably what you have. Peach Blossom is an excellent, medium size oleander with pretty, large, double, macaroon scented, peach-pink flowers. It is a heavy bloomer and exhibits great growth habits. I'm not aware of any blue flowering oleanders.
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